Home / 517,039,587.04-713,274,337.20-308,078,560.48

Finding the Fourth Proportional to 517,039,587.04, 713,274,337.20 and 308,078,560.48

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Solution

The fourth proportional to 517,039,587.04, 713,274,337.20 and 308,078,560.48 is: 425,005,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,039,587.04 : 713,274,337.20 = 308,078,560.48 : x
  2. Step 2: Convert to fraction form
    517,039,587.04/713,274,337.20 = 308,078,560.48/x
  3. Step 3: Cross multiply
    517,039,587.04x = 713,274,337.20 × 308,078,560.48
  4. Step 4: Simplify right side
    517,039,587.04x = 219,744,531,031,902,144
  5. Step 5: Solve for x
    x = 219,744,531,031,902,144/517,039,587.04
  6. Step 6: Final answer
    x = 425,005,234.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.