Home / 1,154,736,999.60-1,732,105,499.40-378,195,410.40

Finding the Fourth Proportional to 1,154,736,999.60, 1,732,105,499.40 and 378,195,410.40

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Solution

The fourth proportional to 1,154,736,999.60, 1,732,105,499.40 and 378,195,410.40 is: 567,293,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,736,999.60 : 1,732,105,499.40 = 378,195,410.40 : x
  2. Step 2: Convert to fraction form
    1,154,736,999.60/1,732,105,499.40 = 378,195,410.40/x
  3. Step 3: Cross multiply
    1,154,736,999.60x = 1,732,105,499.40 × 378,195,410.40
  4. Step 4: Simplify right side
    1,154,736,999.60x = 655,074,350,201,680,000
  5. Step 5: Solve for x
    x = 655,074,350,201,680,000/1,154,736,999.60
  6. Step 6: Final answer
    x = 567,293,115.60

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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.