Home / 18,784,730,743.04-28,184,819,870.08-8,298,412,785.92

Finding the Fourth Proportional to 18,784,730,743.04, 28,184,819,870.08 and 8,298,412,785.92

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Solution

The fourth proportional to 18,784,730,743.04, 28,184,819,870.08 and 8,298,412,785.92 is: 12,451,031,253.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784,730,743.04 : 28,184,819,870.08 = 8,298,412,785.92 : x
  2. Step 2: Convert to fraction form
    18,784,730,743.04/28,184,819,870.08 = 8,298,412,785.92/x
  3. Step 3: Cross multiply
    18,784,730,743.04x = 28,184,819,870.08 × 8,298,412,785.92
  4. Step 4: Simplify right side
    18,784,730,743.04x = 233,889,269,578,723,950,592
  5. Step 5: Solve for x
    x = 233,889,269,578,723,950,592/18,784,730,743.04
  6. Step 6: Final answer
    x = 12,451,031,253.96

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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.