Home / 997,308,001.20-1,495,962,001.80-827,438,689.20

Finding the Fourth Proportional to 997,308,001.20, 1,495,962,001.80 and 827,438,689.20

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Solution

The fourth proportional to 997,308,001.20, 1,495,962,001.80 and 827,438,689.20 is: 1,241,158,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,308,001.20 : 1,495,962,001.80 = 827,438,689.20 : x
  2. Step 2: Convert to fraction form
    997,308,001.20/1,495,962,001.80 = 827,438,689.20/x
  3. Step 3: Cross multiply
    997,308,001.20x = 1,495,962,001.80 × 827,438,689.20
  4. Step 4: Simplify right side
    997,308,001.20x = 1,237,816,837,862,400,000
  5. Step 5: Solve for x
    x = 1,237,816,837,862,400,000/997,308,001.20
  6. Step 6: Final answer
    x = 1,241,158,033.80

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1.5x scale

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.