Home / 708,590,108.90-1,062,885,163.35-450,947,512.10

Finding the Fourth Proportional to 708,590,108.90, 1,062,885,163.35 and 450,947,512.10

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Solution

The fourth proportional to 708,590,108.90, 1,062,885,163.35 and 450,947,512.10 is: 676,421,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,108.90 : 1,062,885,163.35 = 450,947,512.10 : x
  2. Step 2: Convert to fraction form
    708,590,108.90/1,062,885,163.35 = 450,947,512.10/x
  3. Step 3: Cross multiply
    708,590,108.90x = 1,062,885,163.35 × 450,947,512.10
  4. Step 4: Simplify right side
    708,590,108.90x = 479,305,420,060,684,608
  5. Step 5: Solve for x
    x = 479,305,420,060,684,608/708,590,108.90
  6. Step 6: Final answer
    x = 676,421,268.15

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Double scale
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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.