Home / 6,551,219,267.40-9,826,828,901.10-5,388,001,206.60

Finding the Fourth Proportional to 6,551,219,267.40, 9,826,828,901.10 and 5,388,001,206.60

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Solution

The fourth proportional to 6,551,219,267.40, 9,826,828,901.10 and 5,388,001,206.60 is: 8,082,001,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,551,219,267.40 : 9,826,828,901.10 = 5,388,001,206.60 : x
  2. Step 2: Convert to fraction form
    6,551,219,267.40/9,826,828,901.10 = 5,388,001,206.60/x
  3. Step 3: Cross multiply
    6,551,219,267.40x = 9,826,828,901.10 × 5,388,001,206.60
  4. Step 4: Simplify right side
    6,551,219,267.40x = 52,946,965,976,178,556,928
  5. Step 5: Solve for x
    x = 52,946,965,976,178,556,928/6,551,219,267.40
  6. Step 6: Final answer
    x = 8,082,001,809.90

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Double scale
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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.