Home / 385,834,283.52-532,457,352-209,625,768.96

Finding the Fourth Proportional to 385,834,283.52, 532,457,352 and 209,625,768.96

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Solution

The fourth proportional to 385,834,283.52, 532,457,352 and 209,625,768.96 is: 289,286,843.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,834,283.52 : 532,457,352 = 209,625,768.96 : x
  2. Step 2: Convert to fraction form
    385,834,283.52/532,457,352 = 209,625,768.96/x
  3. Step 3: Cross multiply
    385,834,283.52x = 532,457,352 × 209,625,768.96
  4. Step 4: Simplify right side
    385,834,283.52x = 111,616,781,851,405,392
  5. Step 5: Solve for x
    x = 111,616,781,851,405,392/385,834,283.52
  6. Step 6: Final answer
    x = 289,286,843.13

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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.