Home / 1,860,248,981.70-2,790,373,472.55-930,439,808.10

Finding the Fourth Proportional to 1,860,248,981.70, 2,790,373,472.55 and 930,439,808.10

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Solution

The fourth proportional to 1,860,248,981.70, 2,790,373,472.55 and 930,439,808.10 is: 1,395,659,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,248,981.70 : 2,790,373,472.55 = 930,439,808.10 : x
  2. Step 2: Convert to fraction form
    1,860,248,981.70/2,790,373,472.55 = 930,439,808.10/x
  3. Step 3: Cross multiply
    1,860,248,981.70x = 2,790,373,472.55 × 930,439,808.10
  4. Step 4: Simplify right side
    1,860,248,981.70x = 2,596,274,558,326,752,768
  5. Step 5: Solve for x
    x = 2,596,274,558,326,752,768/1,860,248,981.70
  6. Step 6: Final answer
    x = 1,395,659,712.15

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Half scale
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Double scale
Find fourth proportional to 1,860,248,982.70, 2,790,373,474.05 and 930,439,809.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.