Home / 982,988,437.29-1,356,528,666.94-536,957,988.54

Finding the Fourth Proportional to 982,988,437.29, 1,356,528,666.94 and 536,957,988.54

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Solution

The fourth proportional to 982,988,437.29, 1,356,528,666.94 and 536,957,988.54 is: 741,004,549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,988,437.29 : 1,356,528,666.94 = 536,957,988.54 : x
  2. Step 2: Convert to fraction form
    982,988,437.29/1,356,528,666.94 = 536,957,988.54/x
  3. Step 3: Cross multiply
    982,988,437.29x = 1,356,528,666.94 × 536,957,988.54
  4. Step 4: Simplify right side
    982,988,437.29x = 728,398,904,393,581,312
  5. Step 5: Solve for x
    x = 728,398,904,393,581,312/982,988,437.29
  6. Step 6: Final answer
    x = 741,004,549.76

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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.