Home / 742,858,148.76-1,025,122,088.10-425,307,859.20

Finding the Fourth Proportional to 742,858,148.76, 1,025,122,088.10 and 425,307,859.20

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Solution

The fourth proportional to 742,858,148.76, 1,025,122,088.10 and 425,307,859.20 is: 586,912,160.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,858,148.76 : 1,025,122,088.10 = 425,307,859.20 : x
  2. Step 2: Convert to fraction form
    742,858,148.76/1,025,122,088.10 = 425,307,859.20/x
  3. Step 3: Cross multiply
    742,858,148.76x = 1,025,122,088.10 × 425,307,859.20
  4. Step 4: Simplify right side
    742,858,148.76x = 435,992,480,708,444,800
  5. Step 5: Solve for x
    x = 435,992,480,708,444,800/742,858,148.76
  6. Step 6: Final answer
    x = 586,912,160.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.