Home / 1,213,248,647.91-1,674,279,485.07-656,331,540.87

Finding the Fourth Proportional to 1,213,248,647.91, 1,674,279,485.07 and 656,331,540.87

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Solution

The fourth proportional to 1,213,248,647.91, 1,674,279,485.07 and 656,331,540.87 is: 905,735,552.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,248,647.91 : 1,674,279,485.07 = 656,331,540.87 : x
  2. Step 2: Convert to fraction form
    1,213,248,647.91/1,674,279,485.07 = 656,331,540.87/x
  3. Step 3: Cross multiply
    1,213,248,647.91x = 1,674,279,485.07 × 656,331,540.87
  4. Step 4: Simplify right side
    1,213,248,647.91x = 1,098,882,434,283,023,232
  5. Step 5: Solve for x
    x = 1,098,882,434,283,023,232/1,213,248,647.91
  6. Step 6: Final answer
    x = 905,735,552.38

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Half scale
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Double scale
Find fourth proportional to 1,213,248,648.91, 1,674,279,486.45 and 656,331,541.87
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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.