Home / 705,024,088.40-1,057,536,132.60-487,345,854.80

Finding the Fourth Proportional to 705,024,088.40, 1,057,536,132.60 and 487,345,854.80

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Solution

The fourth proportional to 705,024,088.40, 1,057,536,132.60 and 487,345,854.80 is: 731,018,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,024,088.40 : 1,057,536,132.60 = 487,345,854.80 : x
  2. Step 2: Convert to fraction form
    705,024,088.40/1,057,536,132.60 = 487,345,854.80/x
  3. Step 3: Cross multiply
    705,024,088.40x = 1,057,536,132.60 × 487,345,854.80
  4. Step 4: Simplify right side
    705,024,088.40x = 515,385,850,523,833,152
  5. Step 5: Solve for x
    x = 515,385,850,523,833,152/705,024,088.40
  6. Step 6: Final answer
    x = 731,018,782.20

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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.