Home / 915,736,249.03-1,374,169,363.28-424,357,928.82

Finding the Fourth Proportional to 915,736,249.03, 1,374,169,363.28 and 424,357,928.82

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Solution

The fourth proportional to 915,736,249.03, 1,374,169,363.28 and 424,357,928.82 is: 636,798,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,736,249.03 : 1,374,169,363.28 = 424,357,928.82 : x
  2. Step 2: Convert to fraction form
    915,736,249.03/1,374,169,363.28 = 424,357,928.82/x
  3. Step 3: Cross multiply
    915,736,249.03x = 1,374,169,363.28 × 424,357,928.82
  4. Step 4: Simplify right side
    915,736,249.03x = 583,139,664,849,398,912
  5. Step 5: Solve for x
    x = 583,139,664,849,398,912/915,736,249.03
  6. Step 6: Final answer
    x = 636,798,713.02

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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.