Home / 283,966,966.12-424,829,713.74-215,078,215.72

Finding the Fourth Proportional to 283,966,966.12, 424,829,713.74 and 215,078,215.72

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Solution

The fourth proportional to 283,966,966.12, 424,829,713.74 and 215,078,215.72 is: 321,768,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,966,966.12 : 424,829,713.74 = 215,078,215.72 : x
  2. Step 2: Convert to fraction form
    283,966,966.12/424,829,713.74 = 215,078,215.72/x
  3. Step 3: Cross multiply
    283,966,966.12x = 424,829,713.74 × 215,078,215.72
  4. Step 4: Simplify right side
    283,966,966.12x = 91,371,616,816,037,568
  5. Step 5: Solve for x
    x = 91,371,616,816,037,568/283,966,966.12
  6. Step 6: Final answer
    x = 321,768,472.10

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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.