Home / 1,080,121,882.24-1,490,575,353.60-585,084,586.24

Finding the Fourth Proportional to 1,080,121,882.24, 1,490,575,353.60 and 585,084,586.24

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Solution

The fourth proportional to 1,080,121,882.24, 1,490,575,353.60 and 585,084,586.24 is: 807,420,605.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,121,882.24 : 1,490,575,353.60 = 585,084,586.24 : x
  2. Step 2: Convert to fraction form
    1,080,121,882.24/1,490,575,353.60 = 585,084,586.24/x
  3. Step 3: Cross multiply
    1,080,121,882.24x = 1,490,575,353.60 × 585,084,586.24
  4. Step 4: Simplify right side
    1,080,121,882.24x = 872,112,664,020,597,632
  5. Step 5: Solve for x
    x = 872,112,664,020,597,632/1,080,121,882.24
  6. Step 6: Final answer
    x = 807,420,605.36

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Double scale
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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.