Home / 514,946,000.40-772,419,000.60-191,762,998.80

Finding the Fourth Proportional to 514,946,000.40, 772,419,000.60 and 191,762,998.80

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Solution

The fourth proportional to 514,946,000.40, 772,419,000.60 and 191,762,998.80 is: 287,644,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,946,000.40 : 772,419,000.60 = 191,762,998.80 : x
  2. Step 2: Convert to fraction form
    514,946,000.40/772,419,000.60 = 191,762,998.80/x
  3. Step 3: Cross multiply
    514,946,000.40x = 772,419,000.60 × 191,762,998.80
  4. Step 4: Simplify right side
    514,946,000.40x = 148,121,383,885,155,008
  5. Step 5: Solve for x
    x = 148,121,383,885,155,008/514,946,000.40
  6. Step 6: Final answer
    x = 287,644,498.20

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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.