Home / 707,532,675.20-1,060,291,243.20-521,851,126.40

Finding the Fourth Proportional to 707,532,675.20, 1,060,291,243.20 and 521,851,126.40

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Solution

The fourth proportional to 707,532,675.20, 1,060,291,243.20 and 521,851,126.40 is: 782,033,394.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,532,675.20 : 1,060,291,243.20 = 521,851,126.40 : x
  2. Step 2: Convert to fraction form
    707,532,675.20/1,060,291,243.20 = 521,851,126.40/x
  3. Step 3: Cross multiply
    707,532,675.20x = 1,060,291,243.20 × 521,851,126.40
  4. Step 4: Simplify right side
    707,532,675.20x = 553,314,179,575,976,320
  5. Step 5: Solve for x
    x = 553,314,179,575,976,320/707,532,675.20
  6. Step 6: Final answer
    x = 782,033,394.32

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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.