Home / 431,569,209.55-646,609,796.92-201,065,533.15

Finding the Fourth Proportional to 431,569,209.55, 646,609,796.92 and 201,065,533.15

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Solution

The fourth proportional to 431,569,209.55, 646,609,796.92 and 201,065,533.15 is: 301,251,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,569,209.55 : 646,609,796.92 = 201,065,533.15 : x
  2. Step 2: Convert to fraction form
    431,569,209.55/646,609,796.92 = 201,065,533.15/x
  3. Step 3: Cross multiply
    431,569,209.55x = 646,609,796.92 × 201,065,533.15
  4. Step 4: Simplify right side
    431,569,209.55x = 130,010,943,557,733,024
  5. Step 5: Solve for x
    x = 130,010,943,557,733,024/431,569,209.55
  6. Step 6: Final answer
    x = 301,251,666.43

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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.