Home / 314,928,376.20-472,392,564.30-286,230,562.20

Finding the Fourth Proportional to 314,928,376.20, 472,392,564.30 and 286,230,562.20

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Solution

The fourth proportional to 314,928,376.20, 472,392,564.30 and 286,230,562.20 is: 429,345,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,376.20 : 472,392,564.30 = 286,230,562.20 : x
  2. Step 2: Convert to fraction form
    314,928,376.20/472,392,564.30 = 286,230,562.20/x
  3. Step 3: Cross multiply
    314,928,376.20x = 472,392,564.30 × 286,230,562.20
  4. Step 4: Simplify right side
    314,928,376.20x = 135,213,189,258,688,640
  5. Step 5: Solve for x
    x = 135,213,189,258,688,640/314,928,376.20
  6. Step 6: Final answer
    x = 429,345,843.30

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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.