Home / 674,853,445.16-930,890,534.20-445,709,621.20

Finding the Fourth Proportional to 674,853,445.16, 930,890,534.20 and 445,709,621.20

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Solution

The fourth proportional to 674,853,445.16, 930,890,534.20 and 445,709,621.20 is: 614,810,327.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,853,445.16 : 930,890,534.20 = 445,709,621.20 : x
  2. Step 2: Convert to fraction form
    674,853,445.16/930,890,534.20 = 445,709,621.20/x
  3. Step 3: Cross multiply
    674,853,445.16x = 930,890,534.20 × 445,709,621.20
  4. Step 4: Simplify right side
    674,853,445.16x = 414,906,867,376,947,648
  5. Step 5: Solve for x
    x = 414,906,867,376,947,648/674,853,445.16
  6. Step 6: Final answer
    x = 614,810,327.12

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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.