Home / 3,128,996,581.20-4,694,124,727.80-918,202,021.20

Finding the Fourth Proportional to 3,128,996,581.20, 4,694,124,727.80 and 918,202,021.20

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Solution

The fourth proportional to 3,128,996,581.20, 4,694,124,727.80 and 918,202,021.20 is: 1,377,487,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,996,581.20 : 4,694,124,727.80 = 918,202,021.20 : x
  2. Step 2: Convert to fraction form
    3,128,996,581.20/4,694,124,727.80 = 918,202,021.20/x
  3. Step 3: Cross multiply
    3,128,996,581.20x = 4,694,124,727.80 × 918,202,021.20
  4. Step 4: Simplify right side
    3,128,996,581.20x = 4,310,154,812,830,860,288
  5. Step 5: Solve for x
    x = 4,310,154,812,830,860,288/3,128,996,581.20
  6. Step 6: Final answer
    x = 1,377,487,862.64

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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.