Home / 12,011,133,693.40-18,016,700,540.10-9,970,400,253.40

Finding the Fourth Proportional to 12,011,133,693.40, 18,016,700,540.10 and 9,970,400,253.40

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Solution

The fourth proportional to 12,011,133,693.40, 18,016,700,540.10 and 9,970,400,253.40 is: 14,955,600,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011,133,693.40 : 18,016,700,540.10 = 9,970,400,253.40 : x
  2. Step 2: Convert to fraction form
    12,011,133,693.40/18,016,700,540.10 = 9,970,400,253.40/x
  3. Step 3: Cross multiply
    12,011,133,693.40x = 18,016,700,540.10 × 9,970,400,253.40
  4. Step 4: Simplify right side
    12,011,133,693.40x = 179,633,715,630,444,937,216
  5. Step 5: Solve for x
    x = 179,633,715,630,444,937,216/12,011,133,693.40
  6. Step 6: Final answer
    x = 14,955,600,380.10

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Double scale
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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.