Home / 1,241,178,035.83-1,861,206,788.08-355,660,851.92

Finding the Fourth Proportional to 1,241,178,035.83, 1,861,206,788.08 and 355,660,851.92

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Solution

The fourth proportional to 1,241,178,035.83, 1,861,206,788.08 and 355,660,851.92 is: 533,330,733.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,178,035.83 : 1,861,206,788.08 = 355,660,851.92 : x
  2. Step 2: Convert to fraction form
    1,241,178,035.83/1,861,206,788.08 = 355,660,851.92/x
  3. Step 3: Cross multiply
    1,241,178,035.83x = 1,861,206,788.08 × 355,660,851.92
  4. Step 4: Simplify right side
    1,241,178,035.83x = 661,958,391,838,976,128
  5. Step 5: Solve for x
    x = 661,958,391,838,976,128/1,241,178,035.83
  6. Step 6: Final answer
    x = 533,330,733.17

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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.