Home / 806,295,391.60-1,208,318,742.60-609,397,157.20

Finding the Fourth Proportional to 806,295,391.60, 1,208,318,742.60 and 609,397,157.20

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Solution

The fourth proportional to 806,295,391.60, 1,208,318,742.60 and 609,397,157.20 is: 913,245,957.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,295,391.60 : 1,208,318,742.60 = 609,397,157.20 : x
  2. Step 2: Convert to fraction form
    806,295,391.60/1,208,318,742.60 = 609,397,157.20/x
  3. Step 3: Cross multiply
    806,295,391.60x = 1,208,318,742.60 × 609,397,157.20
  4. Step 4: Simplify right side
    806,295,391.60x = 736,346,006,731,918,592
  5. Step 5: Solve for x
    x = 736,346,006,731,918,592/806,295,391.60
  6. Step 6: Final answer
    x = 913,245,957.25

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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.