Home / 736,018,172.20-1,103,089,472.70-391,137,020.20

Finding the Fourth Proportional to 736,018,172.20, 1,103,089,472.70 and 391,137,020.20

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Solution

The fourth proportional to 736,018,172.20, 1,103,089,472.70 and 391,137,020.20 is: 586,207,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,018,172.20 : 1,103,089,472.70 = 391,137,020.20 : x
  2. Step 2: Convert to fraction form
    736,018,172.20/1,103,089,472.70 = 391,137,020.20/x
  3. Step 3: Cross multiply
    736,018,172.20x = 1,103,089,472.70 × 391,137,020.20
  4. Step 4: Simplify right side
    736,018,172.20x = 431,459,129,365,867,264
  5. Step 5: Solve for x
    x = 431,459,129,365,867,264/736,018,172.20
  6. Step 6: Final answer
    x = 586,207,169.42

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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.