Home / 12,230,536,123.12-16,877,875,216.08-7,080,800,731.80

Finding the Fourth Proportional to 12,230,536,123.12, 16,877,875,216.08 and 7,080,800,731.80

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Solution

The fourth proportional to 12,230,536,123.12, 16,877,875,216.08 and 7,080,800,731.80 is: 9,771,351,801.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230,536,123.12 : 16,877,875,216.08 = 7,080,800,731.80 : x
  2. Step 2: Convert to fraction form
    12,230,536,123.12/16,877,875,216.08 = 7,080,800,731.80/x
  3. Step 3: Cross multiply
    12,230,536,123.12x = 16,877,875,216.08 × 7,080,800,731.80
  4. Step 4: Simplify right side
    12,230,536,123.12x = 119,508,871,181,248,348,160
  5. Step 5: Solve for x
    x = 119,508,871,181,248,348,160/12,230,536,123.12
  6. Step 6: Final answer
    x = 9,771,351,801.61

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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.