Home / 3,386,132,311.69-5,079,852,567.69-1,287,445,541.73

Finding the Fourth Proportional to 3,386,132,311.69, 5,079,852,567.69 and 1,287,445,541.73

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Solution

The fourth proportional to 3,386,132,311.69, 5,079,852,567.69 and 1,287,445,541.73 is: 1,931,417,008.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386,132,311.69 : 5,079,852,567.69 = 1,287,445,541.73 : x
  2. Step 2: Convert to fraction form
    3,386,132,311.69/5,079,852,567.69 = 1,287,445,541.73/x
  3. Step 3: Cross multiply
    3,386,132,311.69x = 5,079,852,567.69 × 1,287,445,541.73
  4. Step 4: Simplify right side
    3,386,132,311.69x = 6,540,033,540,918,182,912
  5. Step 5: Solve for x
    x = 6,540,033,540,918,182,912/3,386,132,311.69
  6. Step 6: Final answer
    x = 1,931,417,008.82

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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.