Home / 319,757,410.80-479,636,116.20-315,452,738.70

Finding the Fourth Proportional to 319,757,410.80, 479,636,116.20 and 315,452,738.70

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Solution

The fourth proportional to 319,757,410.80, 479,636,116.20 and 315,452,738.70 is: 473,179,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,757,410.80 : 479,636,116.20 = 315,452,738.70 : x
  2. Step 2: Convert to fraction form
    319,757,410.80/479,636,116.20 = 315,452,738.70/x
  3. Step 3: Cross multiply
    319,757,410.80x = 479,636,116.20 × 315,452,738.70
  4. Step 4: Simplify right side
    319,757,410.80x = 151,302,526,434,721,440
  5. Step 5: Solve for x
    x = 151,302,526,434,721,440/319,757,410.80
  6. Step 6: Final answer
    x = 473,179,108.05

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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.