Home / 726,327,211.20-1,089,490,816.80-670,207,041.60

Finding the Fourth Proportional to 726,327,211.20, 1,089,490,816.80 and 670,207,041.60

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Solution

The fourth proportional to 726,327,211.20, 1,089,490,816.80 and 670,207,041.60 is: 1,005,310,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,327,211.20 : 1,089,490,816.80 = 670,207,041.60 : x
  2. Step 2: Convert to fraction form
    726,327,211.20/1,089,490,816.80 = 670,207,041.60/x
  3. Step 3: Cross multiply
    726,327,211.20x = 1,089,490,816.80 × 670,207,041.60
  4. Step 4: Simplify right side
    726,327,211.20x = 730,184,417,177,895,552
  5. Step 5: Solve for x
    x = 730,184,417,177,895,552/726,327,211.20
  6. Step 6: Final answer
    x = 1,005,310,562.40

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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.