Home / 653,838,324.89-980,761,099.62-162,551,595.22

Finding the Fourth Proportional to 653,838,324.89, 980,761,099.62 and 162,551,595.22

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Solution

The fourth proportional to 653,838,324.89, 980,761,099.62 and 162,551,595.22 is: 243,828,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,838,324.89 : 980,761,099.62 = 162,551,595.22 : x
  2. Step 2: Convert to fraction form
    653,838,324.89/980,761,099.62 = 162,551,595.22/x
  3. Step 3: Cross multiply
    653,838,324.89x = 980,761,099.62 × 162,551,595.22
  4. Step 4: Simplify right side
    653,838,324.89x = 159,424,281,271,109,984
  5. Step 5: Solve for x
    x = 159,424,281,271,109,984/653,838,324.89
  6. Step 6: Final answer
    x = 243,828,290.88

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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.