Home / 1,253,111,810.62-1,729,192,914.57-724,509,711.58

Finding the Fourth Proportional to 1,253,111,810.62, 1,729,192,914.57 and 724,509,711.58

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Solution

The fourth proportional to 1,253,111,810.62, 1,729,192,914.57 and 724,509,711.58 is: 999,764,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,111,810.62 : 1,729,192,914.57 = 724,509,711.58 : x
  2. Step 2: Convert to fraction form
    1,253,111,810.62/1,729,192,914.57 = 724,509,711.58/x
  3. Step 3: Cross multiply
    1,253,111,810.62x = 1,729,192,914.57 × 724,509,711.58
  4. Step 4: Simplify right side
    1,253,111,810.62x = 1,252,817,059,792,644,352
  5. Step 5: Solve for x
    x = 1,252,817,059,792,644,352/1,253,111,810.62
  6. Step 6: Final answer
    x = 999,764,784.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.