Home / 18,739,510,007.73-28,108,275,019.91-6,146,709,685.05

Finding the Fourth Proportional to 18,739,510,007.73, 28,108,275,019.91 and 6,146,709,685.05

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Solution

The fourth proportional to 18,739,510,007.73, 28,108,275,019.91 and 6,146,709,685.05 is: 9,219,739,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739,510,007.73 : 28,108,275,019.91 = 6,146,709,685.05 : x
  2. Step 2: Convert to fraction form
    18,739,510,007.73/28,108,275,019.91 = 6,146,709,685.05/x
  3. Step 3: Cross multiply
    18,739,510,007.73x = 28,108,275,019.91 × 6,146,709,685.05
  4. Step 4: Simplify right side
    18,739,510,007.73x = 172,773,406,294,917,480,448
  5. Step 5: Solve for x
    x = 172,773,406,294,917,480,448/18,739,510,007.73
  6. Step 6: Final answer
    x = 9,219,739,802.36

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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.