Home / 997,161,650.80-1,495,772,947.94-342,103,488.39

Finding the Fourth Proportional to 997,161,650.80, 1,495,772,947.94 and 342,103,488.39

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Solution

The fourth proportional to 997,161,650.80, 1,495,772,947.94 and 342,103,488.39 is: 513,165,686.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,161,650.80 : 1,495,772,947.94 = 342,103,488.39 : x
  2. Step 2: Convert to fraction form
    997,161,650.80/1,495,772,947.94 = 342,103,488.39/x
  3. Step 3: Cross multiply
    997,161,650.80x = 1,495,772,947.94 × 342,103,488.39
  4. Step 4: Simplify right side
    997,161,650.80x = 511,709,143,327,957,312
  5. Step 5: Solve for x
    x = 511,709,143,327,957,312/997,161,650.80
  6. Step 6: Final answer
    x = 513,165,686.75

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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.