Home / 829,472,008.80-1,244,208,013.20-284,032,264.80

Finding the Fourth Proportional to 829,472,008.80, 1,244,208,013.20 and 284,032,264.80

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Solution

The fourth proportional to 829,472,008.80, 1,244,208,013.20 and 284,032,264.80 is: 426,048,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,472,008.80 : 1,244,208,013.20 = 284,032,264.80 : x
  2. Step 2: Convert to fraction form
    829,472,008.80/1,244,208,013.20 = 284,032,264.80/x
  3. Step 3: Cross multiply
    829,472,008.80x = 1,244,208,013.20 × 284,032,264.80
  4. Step 4: Simplify right side
    829,472,008.80x = 353,395,219,871,504,320
  5. Step 5: Solve for x
    x = 353,395,219,871,504,320/829,472,008.80
  6. Step 6: Final answer
    x = 426,048,397.20

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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.