Home / 1,207,224,109.10-1,810,836,163.65-748,059,085.10

Finding the Fourth Proportional to 1,207,224,109.10, 1,810,836,163.65 and 748,059,085.10

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Solution

The fourth proportional to 1,207,224,109.10, 1,810,836,163.65 and 748,059,085.10 is: 1,122,088,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,224,109.10 : 1,810,836,163.65 = 748,059,085.10 : x
  2. Step 2: Convert to fraction form
    1,207,224,109.10/1,810,836,163.65 = 748,059,085.10/x
  3. Step 3: Cross multiply
    1,207,224,109.10x = 1,810,836,163.65 × 748,059,085.10
  4. Step 4: Simplify right side
    1,207,224,109.10x = 1,354,612,443,846,012,928
  5. Step 5: Solve for x
    x = 1,354,612,443,846,012,928/1,207,224,109.10
  6. Step 6: Final answer
    x = 1,122,088,627.65

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Half scale
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Double scale
Find fourth proportional to 1,207,224,110.10, 1,810,836,165.15 and 748,059,086.10
Similar ratio
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1.5x scale

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.