Home / 1,154,339,080.57-1,592,945,254.38-625,691,716.45

Finding the Fourth Proportional to 1,154,339,080.57, 1,592,945,254.38 and 625,691,716.45

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Solution

The fourth proportional to 1,154,339,080.57, 1,592,945,254.38 and 625,691,716.45 is: 863,431,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,339,080.57 : 1,592,945,254.38 = 625,691,716.45 : x
  2. Step 2: Convert to fraction form
    1,154,339,080.57/1,592,945,254.38 = 625,691,716.45/x
  3. Step 3: Cross multiply
    1,154,339,080.57x = 1,592,945,254.38 × 625,691,716.45
  4. Step 4: Simplify right side
    1,154,339,080.57x = 996,692,650,423,904,256
  5. Step 5: Solve for x
    x = 996,692,650,423,904,256/1,154,339,080.57
  6. Step 6: Final answer
    x = 863,431,436.40

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Half scale
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Double scale
Find fourth proportional to 1,154,339,081.57, 1,592,945,255.76 and 625,691,717.45
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1.5x scale

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.