Home / 18,620,669,112.80-27,931,003,669.20-16,600,343,007.20

Finding the Fourth Proportional to 18,620,669,112.80, 27,931,003,669.20 and 16,600,343,007.20

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Solution

The fourth proportional to 18,620,669,112.80, 27,931,003,669.20 and 16,600,343,007.20 is: 24,900,514,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620,669,112.80 : 27,931,003,669.20 = 16,600,343,007.20 : x
  2. Step 2: Convert to fraction form
    18,620,669,112.80/27,931,003,669.20 = 16,600,343,007.20/x
  3. Step 3: Cross multiply
    18,620,669,112.80x = 27,931,003,669.20 × 16,600,343,007.20
  4. Step 4: Simplify right side
    18,620,669,112.80x = 463,664,241,444,081,827,840
  5. Step 5: Solve for x
    x = 463,664,241,444,081,827,840/18,620,669,112.80
  6. Step 6: Final answer
    x = 24,900,514,510.80

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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.