Home / 829,472,142.80-1,244,208,214.20-284,032,398.80

Finding the Fourth Proportional to 829,472,142.80, 1,244,208,214.20 and 284,032,398.80

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Solution

The fourth proportional to 829,472,142.80, 1,244,208,214.20 and 284,032,398.80 is: 426,048,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,472,142.80 : 1,244,208,214.20 = 284,032,398.80 : x
  2. Step 2: Convert to fraction form
    829,472,142.80/1,244,208,214.20 = 284,032,398.80/x
  3. Step 3: Cross multiply
    829,472,142.80x = 1,244,208,214.20 × 284,032,398.80
  4. Step 4: Simplify right side
    829,472,142.80x = 353,395,443,685,890,240
  5. Step 5: Solve for x
    x = 353,395,443,685,890,240/829,472,142.80
  6. Step 6: Final answer
    x = 426,048,598.20

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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.