Home / 2,098,688,074.40-3,148,032,111.60-644,737,815.20

Finding the Fourth Proportional to 2,098,688,074.40, 3,148,032,111.60 and 644,737,815.20

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Solution

The fourth proportional to 2,098,688,074.40, 3,148,032,111.60 and 644,737,815.20 is: 967,106,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,688,074.40 : 3,148,032,111.60 = 644,737,815.20 : x
  2. Step 2: Convert to fraction form
    2,098,688,074.40/3,148,032,111.60 = 644,737,815.20/x
  3. Step 3: Cross multiply
    2,098,688,074.40x = 3,148,032,111.60 × 644,737,815.20
  4. Step 4: Simplify right side
    2,098,688,074.40x = 2,029,655,345,812,426,752
  5. Step 5: Solve for x
    x = 2,029,655,345,812,426,752/2,098,688,074.40
  6. Step 6: Final answer
    x = 967,106,722.80

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Double scale
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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.