Home / 707,532,678.20-1,060,291,247.70-521,851,129.40

Finding the Fourth Proportional to 707,532,678.20, 1,060,291,247.70 and 521,851,129.40

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Solution

The fourth proportional to 707,532,678.20, 1,060,291,247.70 and 521,851,129.40 is: 782,033,398.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,532,678.20 : 1,060,291,247.70 = 521,851,129.40 : x
  2. Step 2: Convert to fraction form
    707,532,678.20/1,060,291,247.70 = 521,851,129.40/x
  3. Step 3: Cross multiply
    707,532,678.20x = 1,060,291,247.70 × 521,851,129.40
  4. Step 4: Simplify right side
    707,532,678.20x = 553,314,185,105,180,160
  5. Step 5: Solve for x
    x = 553,314,185,105,180,160/707,532,678.20
  6. Step 6: Final answer
    x = 782,033,398.81

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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.