Home / 12,048,432,001.20-18,072,648,001.80-8,375,111,809.20

Finding the Fourth Proportional to 12,048,432,001.20, 18,072,648,001.80 and 8,375,111,809.20

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Solution

The fourth proportional to 12,048,432,001.20, 18,072,648,001.80 and 8,375,111,809.20 is: 12,562,667,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048,432,001.20 : 18,072,648,001.80 = 8,375,111,809.20 : x
  2. Step 2: Convert to fraction form
    12,048,432,001.20/18,072,648,001.80 = 8,375,111,809.20/x
  3. Step 3: Cross multiply
    12,048,432,001.20x = 18,072,648,001.80 × 8,375,111,809.20
  4. Step 4: Simplify right side
    12,048,432,001.20x = 151,360,447,703,389,962,240
  5. Step 5: Solve for x
    x = 151,360,447,703,389,962,240/12,048,432,001.20
  6. Step 6: Final answer
    x = 12,562,667,713.80

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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.