Home / 648,108,928.04-972,081,390.06-205,455,874.52

Finding the Fourth Proportional to 648,108,928.04, 972,081,390.06 and 205,455,874.52

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Solution

The fourth proportional to 648,108,928.04, 972,081,390.06 and 205,455,874.52 is: 308,157,816.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,108,928.04 : 972,081,390.06 = 205,455,874.52 : x
  2. Step 2: Convert to fraction form
    648,108,928.04/972,081,390.06 = 205,455,874.52/x
  3. Step 3: Cross multiply
    648,108,928.04x = 972,081,390.06 × 205,455,874.52
  4. Step 4: Simplify right side
    648,108,928.04x = 199,719,832,099,394,528
  5. Step 5: Solve for x
    x = 199,719,832,099,394,528/648,108,928.04
  6. Step 6: Final answer
    x = 308,157,816.47

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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.