Home / 8,408,512,319.57-11,598,279,459.09-5,392,988,622.76

Finding the Fourth Proportional to 8,408,512,319.57, 11,598,279,459.09 and 5,392,988,622.76

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Solution

The fourth proportional to 8,408,512,319.57, 11,598,279,459.09 and 5,392,988,622.76 is: 7,438,817,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408,512,319.57 : 11,598,279,459.09 = 5,392,988,622.76 : x
  2. Step 2: Convert to fraction form
    8,408,512,319.57/11,598,279,459.09 = 5,392,988,622.76/x
  3. Step 3: Cross multiply
    8,408,512,319.57x = 11,598,279,459.09 × 5,392,988,622.76
  4. Step 4: Simplify right side
    8,408,512,319.57x = 62,549,389,166,482,350,080
  5. Step 5: Solve for x
    x = 62,549,389,166,482,350,080/8,408,512,319.57
  6. Step 6: Final answer
    x = 7,438,817,568.35

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Double scale
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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.