Home / 1,428,516,060.40-2,142,781,657.64-445,860,306.28

Finding the Fourth Proportional to 1,428,516,060.40, 2,142,781,657.64 and 445,860,306.28

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Solution

The fourth proportional to 1,428,516,060.40, 2,142,781,657.64 and 445,860,306.28 is: 668,792,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,516,060.40 : 2,142,781,657.64 = 445,860,306.28 : x
  2. Step 2: Convert to fraction form
    1,428,516,060.40/2,142,781,657.64 = 445,860,306.28/x
  3. Step 3: Cross multiply
    1,428,516,060.40x = 2,142,781,657.64 × 445,860,306.28
  4. Step 4: Simplify right side
    1,428,516,060.40x = 955,381,286,166,536,448
  5. Step 5: Solve for x
    x = 955,381,286,166,536,448/1,428,516,060.40
  6. Step 6: Final answer
    x = 668,792,821.20

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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.