Home / 314,928,395.70-472,392,593.55-309,826,562.10

Finding the Fourth Proportional to 314,928,395.70, 472,392,593.55 and 309,826,562.10

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Solution

The fourth proportional to 314,928,395.70, 472,392,593.55 and 309,826,562.10 is: 464,739,843.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,395.70 : 472,392,593.55 = 309,826,562.10 : x
  2. Step 2: Convert to fraction form
    314,928,395.70/472,392,593.55 = 309,826,562.10/x
  3. Step 3: Cross multiply
    314,928,395.70x = 472,392,593.55 × 309,826,562.10
  4. Step 4: Simplify right side
    314,928,395.70x = 146,359,773,221,099,136
  5. Step 5: Solve for x
    x = 146,359,773,221,099,136/314,928,395.70
  6. Step 6: Final answer
    x = 464,739,843.15

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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.