Home / 915,736,249.64-1,374,169,364.17-424,357,929.43

Finding the Fourth Proportional to 915,736,249.64, 1,374,169,364.17 and 424,357,929.43

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Solution

The fourth proportional to 915,736,249.64, 1,374,169,364.17 and 424,357,929.43 is: 636,798,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,736,249.64 : 1,374,169,364.17 = 424,357,929.43 : x
  2. Step 2: Convert to fraction form
    915,736,249.64/1,374,169,364.17 = 424,357,929.43/x
  3. Step 3: Cross multiply
    915,736,249.64x = 1,374,169,364.17 × 424,357,929.43
  4. Step 4: Simplify right side
    915,736,249.64x = 583,139,666,060,824,576
  5. Step 5: Solve for x
    x = 583,139,666,060,824,576/915,736,249.64
  6. Step 6: Final answer
    x = 636,798,713.92

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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.