Home / 707,532,683.20-1,060,291,255.20-521,851,134.40

Finding the Fourth Proportional to 707,532,683.20, 1,060,291,255.20 and 521,851,134.40

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Solution

The fourth proportional to 707,532,683.20, 1,060,291,255.20 and 521,851,134.40 is: 782,033,406.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,532,683.20 : 1,060,291,255.20 = 521,851,134.40 : x
  2. Step 2: Convert to fraction form
    707,532,683.20/1,060,291,255.20 = 521,851,134.40/x
  3. Step 3: Cross multiply
    707,532,683.20x = 1,060,291,255.20 × 521,851,134.40
  4. Step 4: Simplify right side
    707,532,683.20x = 553,314,194,320,519,872
  5. Step 5: Solve for x
    x = 553,314,194,320,519,872/707,532,683.20
  6. Step 6: Final answer
    x = 782,033,406.31

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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.