Home / 358,098,398.46-537,116,828.70-218,002,497.21

Finding the Fourth Proportional to 358,098,398.46, 537,116,828.70 and 218,002,497.21

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Solution

The fourth proportional to 358,098,398.46, 537,116,828.70 and 218,002,497.21 is: 326,985,014.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,098,398.46 : 537,116,828.70 = 218,002,497.21 : x
  2. Step 2: Convert to fraction form
    358,098,398.46/537,116,828.70 = 218,002,497.21/x
  3. Step 3: Cross multiply
    358,098,398.46x = 537,116,828.70 × 218,002,497.21
  4. Step 4: Simplify right side
    358,098,398.46x = 117,092,809,950,115,808
  5. Step 5: Solve for x
    x = 117,092,809,950,115,808/358,098,398.46
  6. Step 6: Final answer
    x = 326,985,014.32

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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.