Home / 680,911,575.60-1,021,367,363.40-272,030,833.20

Finding the Fourth Proportional to 680,911,575.60, 1,021,367,363.40 and 272,030,833.20

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Solution

The fourth proportional to 680,911,575.60, 1,021,367,363.40 and 272,030,833.20 is: 408,046,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,911,575.60 : 1,021,367,363.40 = 272,030,833.20 : x
  2. Step 2: Convert to fraction form
    680,911,575.60/1,021,367,363.40 = 272,030,833.20/x
  3. Step 3: Cross multiply
    680,911,575.60x = 1,021,367,363.40 × 272,030,833.20
  4. Step 4: Simplify right side
    680,911,575.60x = 277,843,414,868,989,152
  5. Step 5: Solve for x
    x = 277,843,414,868,989,152/680,911,575.60
  6. Step 6: Final answer
    x = 408,046,249.80

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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.