Home / 563,436,005.40-845,154,008.10-400,177,330.20

Finding the Fourth Proportional to 563,436,005.40, 845,154,008.10 and 400,177,330.20

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Solution

The fourth proportional to 563,436,005.40, 845,154,008.10 and 400,177,330.20 is: 600,265,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,436,005.40 : 845,154,008.10 = 400,177,330.20 : x
  2. Step 2: Convert to fraction form
    563,436,005.40/845,154,008.10 = 400,177,330.20/x
  3. Step 3: Cross multiply
    563,436,005.40x = 845,154,008.10 × 400,177,330.20
  4. Step 4: Simplify right side
    563,436,005.40x = 338,211,474,569,287,168
  5. Step 5: Solve for x
    x = 338,211,474,569,287,168/563,436,005.40
  6. Step 6: Final answer
    x = 600,265,995.30

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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.