Home / 891,656,050.60-1,230,337,710.92-515,347,680.20

Finding the Fourth Proportional to 891,656,050.60, 1,230,337,710.92 and 515,347,680.20

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Solution

The fourth proportional to 891,656,050.60, 1,230,337,710.92 and 515,347,680.20 is: 711,094,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,656,050.60 : 1,230,337,710.92 = 515,347,680.20 : x
  2. Step 2: Convert to fraction form
    891,656,050.60/1,230,337,710.92 = 515,347,680.20/x
  3. Step 3: Cross multiply
    891,656,050.60x = 1,230,337,710.92 × 515,347,680.20
  4. Step 4: Simplify right side
    891,656,050.60x = 634,051,685,185,200,256
  5. Step 5: Solve for x
    x = 634,051,685,185,200,256/891,656,050.60
  6. Step 6: Final answer
    x = 711,094,468.27

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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.