Home / 648,445,491,424.35-972,472,408,186.20-195,044,034,376.35

Finding the Fourth Proportional to 648,445,491,424.35, 972,472,408,186.20 and 195,044,034,376.35

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Solution

The fourth proportional to 648,445,491,424.35, 972,472,408,186.20 and 195,044,034,376.35 is: 292,507,148,743.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,445,491,424.35 : 972,472,408,186.20 = 195,044,034,376.35 : x
  2. Step 2: Convert to fraction form
    648,445,491,424.35/972,472,408,186.20 = 195,044,034,376.35/x
  3. Step 3: Cross multiply
    648,445,491,424.35x = 972,472,408,186.20 × 195,044,034,376.35
  4. Step 4: Simplify right side
    648,445,491,424.35x = 189,674,941,812,321,072,185,344
  5. Step 5: Solve for x
    x = 189,674,941,812,321,072,185,344/648,445,491,424.35
  6. Step 6: Final answer
    x = 292,507,148,743.82

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Double scale
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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.