Home / 265,720,802.70-398,581,204.05-162,408,672.30

Finding the Fourth Proportional to 265,720,802.70, 398,581,204.05 and 162,408,672.30

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Solution

The fourth proportional to 265,720,802.70, 398,581,204.05 and 162,408,672.30 is: 243,613,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,720,802.70 : 398,581,204.05 = 162,408,672.30 : x
  2. Step 2: Convert to fraction form
    265,720,802.70/398,581,204.05 = 162,408,672.30/x
  3. Step 3: Cross multiply
    265,720,802.70x = 398,581,204.05 × 162,408,672.30
  4. Step 4: Simplify right side
    265,720,802.70x = 64,733,044,153,495,888
  5. Step 5: Solve for x
    x = 64,733,044,153,495,888/265,720,802.70
  6. Step 6: Final answer
    x = 243,613,008.45

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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.