Home / 405,429,672.41-559,497,357.59-238,172,983.19

Finding the Fourth Proportional to 405,429,672.41, 559,497,357.59 and 238,172,983.19

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Solution

The fourth proportional to 405,429,672.41, 559,497,357.59 and 238,172,983.19 is: 328,681,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,429,672.41 : 559,497,357.59 = 238,172,983.19 : x
  2. Step 2: Convert to fraction form
    405,429,672.41/559,497,357.59 = 238,172,983.19/x
  3. Step 3: Cross multiply
    405,429,672.41x = 559,497,357.59 × 238,172,983.19
  4. Step 4: Simplify right side
    405,429,672.41x = 133,257,154,744,132,496
  5. Step 5: Solve for x
    x = 133,257,154,744,132,496/405,429,672.41
  6. Step 6: Final answer
    x = 328,681,307.30

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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.