Home / 6,551,227,279.40-9,826,840,919.10-5,388,009,218.60

Finding the Fourth Proportional to 6,551,227,279.40, 9,826,840,919.10 and 5,388,009,218.60

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Solution

The fourth proportional to 6,551,227,279.40, 9,826,840,919.10 and 5,388,009,218.60 is: 8,082,013,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551,227,279.40 : 9,826,840,919.10 = 5,388,009,218.60 : x
  2. Step 2: Convert to fraction form
    6,551,227,279.40/9,826,840,919.10 = 5,388,009,218.60/x
  3. Step 3: Cross multiply
    6,551,227,279.40x = 9,826,840,919.10 × 5,388,009,218.60
  4. Step 4: Simplify right side
    6,551,227,279.40x = 52,947,109,461,826,502,656
  5. Step 5: Solve for x
    x = 52,947,109,461,826,502,656/6,551,227,279.40
  6. Step 6: Final answer
    x = 8,082,013,827.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.