Home / 12,280,780,666.04-18,422,225,865.94-4,312,263,978.36

Finding the Fourth Proportional to 12,280,780,666.04, 18,422,225,865.94 and 4,312,263,978.36

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Solution

The fourth proportional to 12,280,780,666.04, 18,422,225,865.94 and 4,312,263,978.36 is: 6,468,766,372.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280,780,666.04 : 18,422,225,865.94 = 4,312,263,978.36 : x
  2. Step 2: Convert to fraction form
    12,280,780,666.04/18,422,225,865.94 = 4,312,263,978.36/x
  3. Step 3: Cross multiply
    12,280,780,666.04x = 18,422,225,865.94 × 4,312,263,978.36
  4. Step 4: Simplify right side
    12,280,780,666.04x = 79,441,501,002,904,911,872
  5. Step 5: Solve for x
    x = 79,441,501,002,904,911,872/12,280,780,666.04
  6. Step 6: Final answer
    x = 6,468,766,372.69

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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.