Home / 1,275,508,957.40-1,913,263,436.10-967,131,459.80

Finding the Fourth Proportional to 1,275,508,957.40, 1,913,263,436.10 and 967,131,459.80

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Solution

The fourth proportional to 1,275,508,957.40, 1,913,263,436.10 and 967,131,459.80 is: 1,450,697,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,508,957.40 : 1,913,263,436.10 = 967,131,459.80 : x
  2. Step 2: Convert to fraction form
    1,275,508,957.40/1,913,263,436.10 = 967,131,459.80/x
  3. Step 3: Cross multiply
    1,275,508,957.40x = 1,913,263,436.10 × 967,131,459.80
  4. Step 4: Simplify right side
    1,275,508,957.40x = 1,850,377,259,937,356,800
  5. Step 5: Solve for x
    x = 1,850,377,259,937,356,800/1,275,508,957.40
  6. Step 6: Final answer
    x = 1,450,697,189.70

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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.