Home / 1,119,747,731.20-1,680,461,404.80-574,208,454.40

Finding the Fourth Proportional to 1,119,747,731.20, 1,680,461,404.80 and 574,208,454.40

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Solution

The fourth proportional to 1,119,747,731.20, 1,680,461,404.80 and 574,208,454.40 is: 861,743,336.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,747,731.20 : 1,680,461,404.80 = 574,208,454.40 : x
  2. Step 2: Convert to fraction form
    1,119,747,731.20/1,680,461,404.80 = 574,208,454.40/x
  3. Step 3: Cross multiply
    1,119,747,731.20x = 1,680,461,404.80 × 574,208,454.40
  4. Step 4: Simplify right side
    1,119,747,731.20x = 964,935,145,929,060,736
  5. Step 5: Solve for x
    x = 964,935,145,929,060,736/1,119,747,731.20
  6. Step 6: Final answer
    x = 861,743,336.51

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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.