Home / 550,470,719.40-825,706,079.10-529,307,557.80

Finding the Fourth Proportional to 550,470,719.40, 825,706,079.10 and 529,307,557.80

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Solution

The fourth proportional to 550,470,719.40, 825,706,079.10 and 529,307,557.80 is: 793,961,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,470,719.40 : 825,706,079.10 = 529,307,557.80 : x
  2. Step 2: Convert to fraction form
    550,470,719.40/825,706,079.10 = 529,307,557.80/x
  3. Step 3: Cross multiply
    550,470,719.40x = 825,706,079.10 × 529,307,557.80
  4. Step 4: Simplify right side
    550,470,719.40x = 437,052,468,189,034,624
  5. Step 5: Solve for x
    x = 437,052,468,189,034,624/550,470,719.40
  6. Step 6: Final answer
    x = 793,961,336.70

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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.