Home / 12,909,023,187.72-17,822,677,243.86-10,535,822,029.80

Finding the Fourth Proportional to 12,909,023,187.72, 17,822,677,243.86 and 10,535,822,029.80

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Solution

The fourth proportional to 12,909,023,187.72, 17,822,677,243.86 and 10,535,822,029.80 is: 14,546,147,512.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909,023,187.72 : 17,822,677,243.86 = 10,535,822,029.80 : x
  2. Step 2: Convert to fraction form
    12,909,023,187.72/17,822,677,243.86 = 10,535,822,029.80/x
  3. Step 3: Cross multiply
    12,909,023,187.72x = 17,822,677,243.86 × 10,535,822,029.80
  4. Step 4: Simplify right side
    12,909,023,187.72x = 187,776,555,535,875,342,336
  5. Step 5: Solve for x
    x = 187,776,555,535,875,342,336/12,909,023,187.72
  6. Step 6: Final answer
    x = 14,546,147,512.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.