Home / 14,161,630,840.76-19,542,538,227.90-7,817,862,458.84

Finding the Fourth Proportional to 14,161,630,840.76, 19,542,538,227.90 and 7,817,862,458.84

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Solution

The fourth proportional to 14,161,630,840.76, 19,542,538,227.90 and 7,817,862,458.84 is: 10,788,367,362.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161,630,840.76 : 19,542,538,227.90 = 7,817,862,458.84 : x
  2. Step 2: Convert to fraction form
    14,161,630,840.76/19,542,538,227.90 = 7,817,862,458.84/x
  3. Step 3: Cross multiply
    14,161,630,840.76x = 19,542,538,227.90 × 7,817,862,458.84
  4. Step 4: Simplify right side
    14,161,630,840.76x = 152,780,875,962,344,996,864
  5. Step 5: Solve for x
    x = 152,780,875,962,344,996,864/14,161,630,840.76
  6. Step 6: Final answer
    x = 10,788,367,362.51

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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.