Home / 375,909,598.24-518,747,428.92-208,636,046.68

Finding the Fourth Proportional to 375,909,598.24, 518,747,428.92 and 208,636,046.68

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Solution

The fourth proportional to 375,909,598.24, 518,747,428.92 and 208,636,046.68 is: 287,913,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,909,598.24 : 518,747,428.92 = 208,636,046.68 : x
  2. Step 2: Convert to fraction form
    375,909,598.24/518,747,428.92 = 208,636,046.68/x
  3. Step 3: Cross multiply
    375,909,598.24x = 518,747,428.92 × 208,636,046.68
  4. Step 4: Simplify right side
    375,909,598.24x = 108,229,412,795,283,104
  5. Step 5: Solve for x
    x = 108,229,412,795,283,104/375,909,598.24
  6. Step 6: Final answer
    x = 287,913,406.05

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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.