Home / 12,289,251,515.34-18,426,412,599.87-4,818,884,691.36

Finding the Fourth Proportional to 12,289,251,515.34, 18,426,412,599.87 and 4,818,884,691.36

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Solution

The fourth proportional to 12,289,251,515.34, 18,426,412,599.87 and 4,818,884,691.36 is: 7,225,399,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,289,251,515.34 : 18,426,412,599.87 = 4,818,884,691.36 : x
  2. Step 2: Convert to fraction form
    12,289,251,515.34/18,426,412,599.87 = 4,818,884,691.36/x
  3. Step 3: Cross multiply
    12,289,251,515.34x = 18,426,412,599.87 × 4,818,884,691.36
  4. Step 4: Simplify right side
    12,289,251,515.34x = 88,794,757,594,196,541,440
  5. Step 5: Solve for x
    x = 88,794,757,594,196,541,440/12,289,251,515.34
  6. Step 6: Final answer
    x = 7,225,399,975.20

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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.