Home / 1,049,009,690.87-1,447,595,422.86-579,100,921.84

Finding the Fourth Proportional to 1,049,009,690.87, 1,447,595,422.86 and 579,100,921.84

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Solution

The fourth proportional to 1,049,009,690.87, 1,447,595,422.86 and 579,100,921.84 is: 799,138,321.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,009,690.87 : 1,447,595,422.86 = 579,100,921.84 : x
  2. Step 2: Convert to fraction form
    1,049,009,690.87/1,447,595,422.86 = 579,100,921.84/x
  3. Step 3: Cross multiply
    1,049,009,690.87x = 1,447,595,422.86 × 579,100,921.84
  4. Step 4: Simplify right side
    1,049,009,690.87x = 838,303,843,829,590,656
  5. Step 5: Solve for x
    x = 838,303,843,829,590,656/1,049,009,690.87
  6. Step 6: Final answer
    x = 799,138,321.72

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Double scale
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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.