Home / 894,203,515.85-1,234,000,908.78-497,717,970.17

Finding the Fourth Proportional to 894,203,515.85, 1,234,000,908.78 and 497,717,970.17

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Solution

The fourth proportional to 894,203,515.85, 1,234,000,908.78 and 497,717,970.17 is: 686,850,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,203,515.85 : 1,234,000,908.78 = 497,717,970.17 : x
  2. Step 2: Convert to fraction form
    894,203,515.85/1,234,000,908.78 = 497,717,970.17/x
  3. Step 3: Cross multiply
    894,203,515.85x = 1,234,000,908.78 × 497,717,970.17
  4. Step 4: Simplify right side
    894,203,515.85x = 614,184,427,505,916,928
  5. Step 5: Solve for x
    x = 614,184,427,505,916,928/894,203,515.85
  6. Step 6: Final answer
    x = 686,850,830.51

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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.