Home / 1,687,092,732.90-2,328,010,729.50-934,386,190.74

Finding the Fourth Proportional to 1,687,092,732.90, 2,328,010,729.50 and 934,386,190.74

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Solution

The fourth proportional to 1,687,092,732.90, 2,328,010,729.50 and 934,386,190.74 is: 1,289,354,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,092,732.90 : 2,328,010,729.50 = 934,386,190.74 : x
  2. Step 2: Convert to fraction form
    1,687,092,732.90/2,328,010,729.50 = 934,386,190.74/x
  3. Step 3: Cross multiply
    1,687,092,732.90x = 2,328,010,729.50 × 934,386,190.74
  4. Step 4: Simplify right side
    1,687,092,732.90x = 2,175,261,077,539,353,600
  5. Step 5: Solve for x
    x = 2,175,261,077,539,353,600/1,687,092,732.90
  6. Step 6: Final answer
    x = 1,289,354,778.86

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1.5x scale

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.