Home / 18,739,510,009.16-28,108,275,022.74-6,146,709,686.18

Finding the Fourth Proportional to 18,739,510,009.16, 28,108,275,022.74 and 6,146,709,686.18

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Solution

The fourth proportional to 18,739,510,009.16, 28,108,275,022.74 and 6,146,709,686.18 is: 9,219,739,804.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739,510,009.16 : 28,108,275,022.74 = 6,146,709,686.18 : x
  2. Step 2: Convert to fraction form
    18,739,510,009.16/28,108,275,022.74 = 6,146,709,686.18/x
  3. Step 3: Cross multiply
    18,739,510,009.16x = 28,108,275,022.74 × 6,146,709,686.18
  4. Step 4: Simplify right side
    18,739,510,009.16x = 172,773,406,344,087,339,008
  5. Step 5: Solve for x
    x = 172,773,406,344,087,339,008/18,739,510,009.16
  6. Step 6: Final answer
    x = 9,219,739,804.28

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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.