Home / 655,525,087.20-983,287,630.80-625,291,999.20

Finding the Fourth Proportional to 655,525,087.20, 983,287,630.80 and 625,291,999.20

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Solution

The fourth proportional to 655,525,087.20, 983,287,630.80 and 625,291,999.20 is: 937,937,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,525,087.20 : 983,287,630.80 = 625,291,999.20 : x
  2. Step 2: Convert to fraction form
    655,525,087.20/983,287,630.80 = 625,291,999.20/x
  3. Step 3: Cross multiply
    655,525,087.20x = 983,287,630.80 × 625,291,999.20
  4. Step 4: Simplify right side
    655,525,087.20x = 614,841,888,451,563,520
  5. Step 5: Solve for x
    x = 614,841,888,451,563,520/655,525,087.20
  6. Step 6: Final answer
    x = 937,937,998.80

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.