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Finding the Fourth Proportional to 615,985,708.50, 850,060,273.68 and 337,521,253.32

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Solution

The fourth proportional to 615,985,708.50, 850,060,273.68 and 337,521,253.32 is: 465,779,327.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,985,708.50 : 850,060,273.68 = 337,521,253.32 : x
  2. Step 2: Convert to fraction form
    615,985,708.50/850,060,273.68 = 337,521,253.32/x
  3. Step 3: Cross multiply
    615,985,708.50x = 850,060,273.68 × 337,521,253.32
  4. Step 4: Simplify right side
    615,985,708.50x = 286,913,408,970,015,776
  5. Step 5: Solve for x
    x = 286,913,408,970,015,776/615,985,708.50
  6. Step 6: Final answer
    x = 465,779,327.36

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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.