Home / 283,966,965.12-424,829,712.24-215,078,214.72

Finding the Fourth Proportional to 283,966,965.12, 424,829,712.24 and 215,078,214.72

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Solution

The fourth proportional to 283,966,965.12, 424,829,712.24 and 215,078,214.72 is: 321,768,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,966,965.12 : 424,829,712.24 = 215,078,214.72 : x
  2. Step 2: Convert to fraction form
    283,966,965.12/424,829,712.24 = 215,078,214.72/x
  3. Step 3: Cross multiply
    283,966,965.12x = 424,829,712.24 × 215,078,214.72
  4. Step 4: Simplify right side
    283,966,965.12x = 91,371,616,068,590,528
  5. Step 5: Solve for x
    x = 91,371,616,068,590,528/283,966,965.12
  6. Step 6: Final answer
    x = 321,768,470.60

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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.