Home / 12,557,448,003.80-18,836,172,005.70-8,838,211,309.40

Finding the Fourth Proportional to 12,557,448,003.80, 18,836,172,005.70 and 8,838,211,309.40

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Solution

The fourth proportional to 12,557,448,003.80, 18,836,172,005.70 and 8,838,211,309.40 is: 13,257,316,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557,448,003.80 : 18,836,172,005.70 = 8,838,211,309.40 : x
  2. Step 2: Convert to fraction form
    12,557,448,003.80/18,836,172,005.70 = 8,838,211,309.40/x
  3. Step 3: Cross multiply
    12,557,448,003.80x = 18,836,172,005.70 × 8,838,211,309.40
  4. Step 4: Simplify right side
    12,557,448,003.80x = 166,478,068,446,581,424,128
  5. Step 5: Solve for x
    x = 166,478,068,446,581,424,128/12,557,448,003.80
  6. Step 6: Final answer
    x = 13,257,316,964.10

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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.