Home / 18,739,510,008.75-28,108,275,021.44-6,146,709,686.06

Finding the Fourth Proportional to 18,739,510,008.75, 28,108,275,021.44 and 6,146,709,686.06

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Solution

The fourth proportional to 18,739,510,008.75, 28,108,275,021.44 and 6,146,709,686.06 is: 9,219,739,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739,510,008.75 : 28,108,275,021.44 = 6,146,709,686.06 : x
  2. Step 2: Convert to fraction form
    18,739,510,008.75/28,108,275,021.44 = 6,146,709,686.06/x
  3. Step 3: Cross multiply
    18,739,510,008.75x = 28,108,275,021.44 × 6,146,709,686.06
  4. Step 4: Simplify right side
    18,739,510,008.75x = 172,773,406,332,716,908,544
  5. Step 5: Solve for x
    x = 172,773,406,332,716,908,544/18,739,510,008.75
  6. Step 6: Final answer
    x = 9,219,739,803.87

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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.