Home / 657,933,563.20-986,900,344.80-528,793,400.20

Finding the Fourth Proportional to 657,933,563.20, 986,900,344.80 and 528,793,400.20

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Solution

The fourth proportional to 657,933,563.20, 986,900,344.80 and 528,793,400.20 is: 793,190,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,933,563.20 : 986,900,344.80 = 528,793,400.20 : x
  2. Step 2: Convert to fraction form
    657,933,563.20/986,900,344.80 = 528,793,400.20/x
  3. Step 3: Cross multiply
    657,933,563.20x = 986,900,344.80 × 528,793,400.20
  4. Step 4: Simplify right side
    657,933,563.20x = 521,866,388,985,344,320
  5. Step 5: Solve for x
    x = 521,866,388,985,344,320/657,933,563.20
  6. Step 6: Final answer
    x = 793,190,100.30

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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.