Home / 11,838,417,652.12-16,339,121,344.45-7,081,216,897.63

Finding the Fourth Proportional to 11,838,417,652.12, 16,339,121,344.45 and 7,081,216,897.63

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Solution

The fourth proportional to 11,838,417,652.12, 16,339,121,344.45 and 7,081,216,897.63 is: 9,773,338,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838,417,652.12 : 16,339,121,344.45 = 7,081,216,897.63 : x
  2. Step 2: Convert to fraction form
    11,838,417,652.12/16,339,121,344.45 = 7,081,216,897.63/x
  3. Step 3: Cross multiply
    11,838,417,652.12x = 16,339,121,344.45 × 7,081,216,897.63
  4. Step 4: Simplify right side
    11,838,417,652.12x = 115,700,862,156,650,479,616
  5. Step 5: Solve for x
    x = 115,700,862,156,650,479,616/11,838,417,652.12
  6. Step 6: Final answer
    x = 9,773,338,427.20

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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.