Home / 6,551,227,319.90-9,826,840,979.85-5,388,009,259.10

Finding the Fourth Proportional to 6,551,227,319.90, 9,826,840,979.85 and 5,388,009,259.10

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Solution

The fourth proportional to 6,551,227,319.90, 9,826,840,979.85 and 5,388,009,259.10 is: 8,082,013,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551,227,319.90 : 9,826,840,979.85 = 5,388,009,259.10 : x
  2. Step 2: Convert to fraction form
    6,551,227,319.90/9,826,840,979.85 = 5,388,009,259.10/x
  3. Step 3: Cross multiply
    6,551,227,319.90x = 9,826,840,979.85 × 5,388,009,259.10
  4. Step 4: Simplify right side
    6,551,227,319.90x = 52,947,110,187,135,123,456
  5. Step 5: Solve for x
    x = 52,947,110,187,135,123,456/6,551,227,319.90
  6. Step 6: Final answer
    x = 8,082,013,888.65

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Double scale
Find fourth proportional to 6,551,227,320.90, 9,826,840,981.35 and 5,388,009,260.10
Similar ratio
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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.