Home / 708,588,844.20-1,062,883,266.30-487,615,676.40

Finding the Fourth Proportional to 708,588,844.20, 1,062,883,266.30 and 487,615,676.40

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Solution

The fourth proportional to 708,588,844.20, 1,062,883,266.30 and 487,615,676.40 is: 731,423,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,844.20 : 1,062,883,266.30 = 487,615,676.40 : x
  2. Step 2: Convert to fraction form
    708,588,844.20/1,062,883,266.30 = 487,615,676.40/x
  3. Step 3: Cross multiply
    708,588,844.20x = 1,062,883,266.30 × 487,615,676.40
  4. Step 4: Simplify right side
    708,588,844.20x = 518,278,542,831,115,776
  5. Step 5: Solve for x
    x = 518,278,542,831,115,776/708,588,844.20
  6. Step 6: Final answer
    x = 731,423,514.60

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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.