Home / 1,108,442,705.75-1,529,654,986.46-599,805,421.71

Finding the Fourth Proportional to 1,108,442,705.75, 1,529,654,986.46 and 599,805,421.71

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Solution

The fourth proportional to 1,108,442,705.75, 1,529,654,986.46 and 599,805,421.71 is: 827,733,674.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,442,705.75 : 1,529,654,986.46 = 599,805,421.71 : x
  2. Step 2: Convert to fraction form
    1,108,442,705.75/1,529,654,986.46 = 599,805,421.71/x
  3. Step 3: Cross multiply
    1,108,442,705.75x = 1,529,654,986.46 × 599,805,421.71
  4. Step 4: Simplify right side
    1,108,442,705.75x = 917,495,354,220,207,872
  5. Step 5: Solve for x
    x = 917,495,354,220,207,872/1,108,442,705.75
  6. Step 6: Final answer
    x = 827,733,674.88

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Double scale
Find fourth proportional to 1,108,442,706.75, 1,529,654,987.84 and 599,805,422.71
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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.