Home / 11,838,417,656.44-16,339,121,350.65-7,081,216,901.92

Finding the Fourth Proportional to 11,838,417,656.44, 16,339,121,350.65 and 7,081,216,901.92

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Solution

The fourth proportional to 11,838,417,656.44, 16,339,121,350.65 and 7,081,216,901.92 is: 9,773,338,433.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838,417,656.44 : 16,339,121,350.65 = 7,081,216,901.92 : x
  2. Step 2: Convert to fraction form
    11,838,417,656.44/16,339,121,350.65 = 7,081,216,901.92/x
  3. Step 3: Cross multiply
    11,838,417,656.44x = 16,339,121,350.65 × 7,081,216,901.92
  4. Step 4: Simplify right side
    11,838,417,656.44x = 115,700,862,270,744,723,456
  5. Step 5: Solve for x
    x = 115,700,862,270,744,723,456/11,838,417,656.44
  6. Step 6: Final answer
    x = 9,773,338,433.27

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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.