Home / 539,009,729.40-808,514,594.10-534,474,766.20

Finding the Fourth Proportional to 539,009,729.40, 808,514,594.10 and 534,474,766.20

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Solution

The fourth proportional to 539,009,729.40, 808,514,594.10 and 534,474,766.20 is: 801,712,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,009,729.40 : 808,514,594.10 = 534,474,766.20 : x
  2. Step 2: Convert to fraction form
    539,009,729.40/808,514,594.10 = 534,474,766.20/x
  3. Step 3: Cross multiply
    539,009,729.40x = 808,514,594.10 × 534,474,766.20
  4. Step 4: Simplify right side
    539,009,729.40x = 432,130,648,650,885,376
  5. Step 5: Solve for x
    x = 432,130,648,650,885,376/539,009,729.40
  6. Step 6: Final answer
    x = 801,712,149.30

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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.