Home / 1,304,815,205.70-1,957,222,808.55-724,339,916.10

Finding the Fourth Proportional to 1,304,815,205.70, 1,957,222,808.55 and 724,339,916.10

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Solution

The fourth proportional to 1,304,815,205.70, 1,957,222,808.55 and 724,339,916.10 is: 1,086,509,874.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,815,205.70 : 1,957,222,808.55 = 724,339,916.10 : x
  2. Step 2: Convert to fraction form
    1,304,815,205.70/1,957,222,808.55 = 724,339,916.10/x
  3. Step 3: Cross multiply
    1,304,815,205.70x = 1,957,222,808.55 × 724,339,916.10
  4. Step 4: Simplify right side
    1,304,815,205.70x = 1,417,694,604,934,113,280
  5. Step 5: Solve for x
    x = 1,417,694,604,934,113,280/1,304,815,205.70
  6. Step 6: Final answer
    x = 1,086,509,874.15

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Double scale
Find fourth proportional to 1,304,815,206.70, 1,957,222,810.05 and 724,339,917.10
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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.