Home / 992,712,238.79-1,369,898,699.29-569,022,155.82

Finding the Fourth Proportional to 992,712,238.79, 1,369,898,699.29 and 569,022,155.82

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Solution

The fourth proportional to 992,712,238.79, 1,369,898,699.29 and 569,022,155.82 is: 785,225,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,712,238.79 : 1,369,898,699.29 = 569,022,155.82 : x
  2. Step 2: Convert to fraction form
    992,712,238.79/1,369,898,699.29 = 569,022,155.82/x
  3. Step 3: Cross multiply
    992,712,238.79x = 1,369,898,699.29 × 569,022,155.82
  4. Step 4: Simplify right side
    992,712,238.79x = 779,502,711,123,587,200
  5. Step 5: Solve for x
    x = 779,502,711,123,587,200/992,712,238.79
  6. Step 6: Final answer
    x = 785,225,245.21

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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.