Home / 1,487,115,177,114.60-2,231,691,705,641.20-519,023,617,516.45

Finding the Fourth Proportional to 1,487,115,177,114.60, 2,231,691,705,641.20 and 519,023,617,516.45

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Solution

The fourth proportional to 1,487,115,177,114.60, 2,231,691,705,641.20 and 519,023,617,516.45 is: 778,891,050,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,115,177,114.60 : 2,231,691,705,641.20 = 519,023,617,516.45 : x
  2. Step 2: Convert to fraction form
    1,487,115,177,114.60/2,231,691,705,641.20 = 519,023,617,516.45/x
  3. Step 3: Cross multiply
    1,487,115,177,114.60x = 2,231,691,705,641.20 × 519,023,617,516.45
  4. Step 4: Simplify right side
    1,487,115,177,114.60x = 1,158,300,702,243,352,288,952,320
  5. Step 5: Solve for x
    x = 1,158,300,702,243,352,288,952,320/1,487,115,177,114.60
  6. Step 6: Final answer
    x = 778,891,050,315.80

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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.