Home / 1,011,027,407.75-1,395,219,719.51-564,990,773.43

Finding the Fourth Proportional to 1,011,027,407.75, 1,395,219,719.51 and 564,990,773.43

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Solution

The fourth proportional to 1,011,027,407.75, 1,395,219,719.51 and 564,990,773.43 is: 779,688,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,027,407.75 : 1,395,219,719.51 = 564,990,773.43 : x
  2. Step 2: Convert to fraction form
    1,011,027,407.75/1,395,219,719.51 = 564,990,773.43/x
  3. Step 3: Cross multiply
    1,011,027,407.75x = 1,395,219,719.51 × 564,990,773.43
  4. Step 4: Simplify right side
    1,011,027,407.75x = 788,286,268,427,917,568
  5. Step 5: Solve for x
    x = 788,286,268,427,917,568/1,011,027,407.75
  6. Step 6: Final answer
    x = 779,688,327.33

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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.