Home / 261,684,006.60-392,526,009.90-259,892,416.20

Finding the Fourth Proportional to 261,684,006.60, 392,526,009.90 and 259,892,416.20

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Solution

The fourth proportional to 261,684,006.60, 392,526,009.90 and 259,892,416.20 is: 389,838,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,684,006.60 : 392,526,009.90 = 259,892,416.20 : x
  2. Step 2: Convert to fraction form
    261,684,006.60/392,526,009.90 = 259,892,416.20/x
  3. Step 3: Cross multiply
    261,684,006.60x = 392,526,009.90 × 259,892,416.20
  4. Step 4: Simplify right side
    261,684,006.60x = 102,014,533,134,256,112
  5. Step 5: Solve for x
    x = 102,014,533,134,256,112/261,684,006.60
  6. Step 6: Final answer
    x = 389,838,624.30

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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.