Home / 460,335,472.40-690,939,754.16-284,927,913.95

Finding the Fourth Proportional to 460,335,472.40, 690,939,754.16 and 284,927,913.95

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Solution

The fourth proportional to 460,335,472.40, 690,939,754.16 and 284,927,913.95 is: 427,662,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,335,472.40 : 690,939,754.16 = 284,927,913.95 : x
  2. Step 2: Convert to fraction form
    460,335,472.40/690,939,754.16 = 284,927,913.95/x
  3. Step 3: Cross multiply
    460,335,472.40x = 690,939,754.16 × 284,927,913.95
  4. Step 4: Simplify right side
    460,335,472.40x = 196,868,022,813,055,296
  5. Step 5: Solve for x
    x = 196,868,022,813,055,296/460,335,472.40
  6. Step 6: Final answer
    x = 427,662,073.89

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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.