Home / 318,806,458.77-478,360,853.61-189,669,182.61

Finding the Fourth Proportional to 318,806,458.77, 478,360,853.61 and 189,669,182.61

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Solution

The fourth proportional to 318,806,458.77, 478,360,853.61 and 189,669,182.61 is: 284,593,707.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,806,458.77 : 478,360,853.61 = 189,669,182.61 : x
  2. Step 2: Convert to fraction form
    318,806,458.77/478,360,853.61 = 189,669,182.61/x
  3. Step 3: Cross multiply
    318,806,458.77x = 478,360,853.61 × 189,669,182.61
  4. Step 4: Simplify right side
    318,806,458.77x = 90,730,312,096,830,576
  5. Step 5: Solve for x
    x = 90,730,312,096,830,576/318,806,458.77
  6. Step 6: Final answer
    x = 284,593,707.56

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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.