Home / 997,161,651.54-1,495,772,949.05-342,103,489.13

Finding the Fourth Proportional to 997,161,651.54, 1,495,772,949.05 and 342,103,489.13

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Solution

The fourth proportional to 997,161,651.54, 1,495,772,949.05 and 342,103,489.13 is: 513,165,687.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,161,651.54 : 1,495,772,949.05 = 342,103,489.13 : x
  2. Step 2: Convert to fraction form
    997,161,651.54/1,495,772,949.05 = 342,103,489.13/x
  3. Step 3: Cross multiply
    997,161,651.54x = 1,495,772,949.05 × 342,103,489.13
  4. Step 4: Simplify right side
    997,161,651.54x = 511,709,144,816,274,688
  5. Step 5: Solve for x
    x = 511,709,144,816,274,688/997,161,651.54
  6. Step 6: Final answer
    x = 513,165,687.86

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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.