Home / 431,800,810.80-595,833,909.48-243,618,135.36

Finding the Fourth Proportional to 431,800,810.80, 595,833,909.48 and 243,618,135.36

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Solution

The fourth proportional to 431,800,810.80, 595,833,909.48 and 243,618,135.36 is: 336,164,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,800,810.80 : 595,833,909.48 = 243,618,135.36 : x
  2. Step 2: Convert to fraction form
    431,800,810.80/595,833,909.48 = 243,618,135.36/x
  3. Step 3: Cross multiply
    431,800,810.80x = 595,833,909.48 × 243,618,135.36
  4. Step 4: Simplify right side
    431,800,810.80x = 145,155,946,011,776,640
  5. Step 5: Solve for x
    x = 145,155,946,011,776,640/431,800,810.80
  6. Step 6: Final answer
    x = 336,164,134.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.