Home / 1,487,115,177,116.50-2,231,691,705,644.10-519,023,617,518.30

Finding the Fourth Proportional to 1,487,115,177,116.50, 2,231,691,705,644.10 and 519,023,617,518.30

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Solution

The fourth proportional to 1,487,115,177,116.50, 2,231,691,705,644.10 and 519,023,617,518.30 is: 778,891,050,318.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,115,177,116.50 : 2,231,691,705,644.10 = 519,023,617,518.30 : x
  2. Step 2: Convert to fraction form
    1,487,115,177,116.50/2,231,691,705,644.10 = 519,023,617,518.30/x
  3. Step 3: Cross multiply
    1,487,115,177,116.50x = 2,231,691,705,644.10 × 519,023,617,518.30
  4. Step 4: Simplify right side
    1,487,115,177,116.50x = 1,158,300,702,248,985,943,867,392
  5. Step 5: Solve for x
    x = 1,158,300,702,248,985,943,867,392/1,487,115,177,116.50
  6. Step 6: Final answer
    x = 778,891,050,318.59

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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.