Home / 7,357,073,308.12-10,166,041,789.73-5,238,851,785.12

Finding the Fourth Proportional to 7,357,073,308.12, 10,166,041,789.73 and 5,238,851,785.12

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Solution

The fourth proportional to 7,357,073,308.12, 10,166,041,789.73 and 5,238,851,785.12 is: 7,239,072,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357,073,308.12 : 10,166,041,789.73 = 5,238,851,785.12 : x
  2. Step 2: Convert to fraction form
    7,357,073,308.12/10,166,041,789.73 = 5,238,851,785.12/x
  3. Step 3: Cross multiply
    7,357,073,308.12x = 10,166,041,789.73 × 5,238,851,785.12
  4. Step 4: Simplify right side
    7,357,073,308.12x = 53,258,386,177,731,526,656
  5. Step 5: Solve for x
    x = 53,258,386,177,731,526,656/7,357,073,308.12
  6. Step 6: Final answer
    x = 7,239,072,379.36

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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.