Home / 879,523,207.20-1,319,284,810.80-825,103,648.80

Finding the Fourth Proportional to 879,523,207.20, 1,319,284,810.80 and 825,103,648.80

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Solution

The fourth proportional to 879,523,207.20, 1,319,284,810.80 and 825,103,648.80 is: 1,237,655,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,523,207.20 : 1,319,284,810.80 = 825,103,648.80 : x
  2. Step 2: Convert to fraction form
    879,523,207.20/1,319,284,810.80 = 825,103,648.80/x
  3. Step 3: Cross multiply
    879,523,207.20x = 1,319,284,810.80 × 825,103,648.80
  4. Step 4: Simplify right side
    879,523,207.20x = 1,088,546,711,197,497,600
  5. Step 5: Solve for x
    x = 1,088,546,711,197,497,600/879,523,207.20
  6. Step 6: Final answer
    x = 1,237,655,473.20

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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.