Home / 401,785,551.30-602,680,358.76-125,413,598.34

Finding the Fourth Proportional to 401,785,551.30, 602,680,358.76 and 125,413,598.34

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Solution

The fourth proportional to 401,785,551.30, 602,680,358.76 and 125,413,598.34 is: 188,121,031.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,785,551.30 : 602,680,358.76 = 125,413,598.34 : x
  2. Step 2: Convert to fraction form
    401,785,551.30/602,680,358.76 = 125,413,598.34/x
  3. Step 3: Cross multiply
    401,785,551.30x = 602,680,358.76 × 125,413,598.34
  4. Step 4: Simplify right side
    401,785,551.30x = 75,584,312,440,933,744
  5. Step 5: Solve for x
    x = 75,584,312,440,933,744/401,785,551.30
  6. Step 6: Final answer
    x = 188,121,031.72

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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.