Home / 521,626,444.20-782,439,666.30-249,528,652.20

Finding the Fourth Proportional to 521,626,444.20, 782,439,666.30 and 249,528,652.20

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Solution

The fourth proportional to 521,626,444.20, 782,439,666.30 and 249,528,652.20 is: 374,292,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,626,444.20 : 782,439,666.30 = 249,528,652.20 : x
  2. Step 2: Convert to fraction form
    521,626,444.20/782,439,666.30 = 249,528,652.20/x
  3. Step 3: Cross multiply
    521,626,444.20x = 782,439,666.30 × 249,528,652.20
  4. Step 4: Simplify right side
    521,626,444.20x = 195,241,115,359,656,736
  5. Step 5: Solve for x
    x = 195,241,115,359,656,736/521,626,444.20
  6. Step 6: Final answer
    x = 374,292,978.30

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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.