Home / 728,757,260.04-1,005,660,005.58-415,592,266.35

Finding the Fourth Proportional to 728,757,260.04, 1,005,660,005.58 and 415,592,266.35

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Solution

The fourth proportional to 728,757,260.04, 1,005,660,005.58 and 415,592,266.35 is: 573,503,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,757,260.04 : 1,005,660,005.58 = 415,592,266.35 : x
  2. Step 2: Convert to fraction form
    728,757,260.04/1,005,660,005.58 = 415,592,266.35/x
  3. Step 3: Cross multiply
    728,757,260.04x = 1,005,660,005.58 × 415,592,266.35
  4. Step 4: Simplify right side
    728,757,260.04x = 417,944,520,896,545,920
  5. Step 5: Solve for x
    x = 417,944,520,896,545,920/728,757,260.04
  6. Step 6: Final answer
    x = 573,503,063.11

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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.