Home / 590,898,009.96-815,540,510.97-343,522,853.28

Finding the Fourth Proportional to 590,898,009.96, 815,540,510.97 and 343,522,853.28

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Solution

The fourth proportional to 590,898,009.96, 815,540,510.97 and 343,522,853.28 is: 474,120,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,898,009.96 : 815,540,510.97 = 343,522,853.28 : x
  2. Step 2: Convert to fraction form
    590,898,009.96/815,540,510.97 = 343,522,853.28/x
  3. Step 3: Cross multiply
    590,898,009.96x = 815,540,510.97 × 343,522,853.28
  4. Step 4: Simplify right side
    590,898,009.96x = 280,156,803,293,843,520
  5. Step 5: Solve for x
    x = 280,156,803,293,843,520/590,898,009.96
  6. Step 6: Final answer
    x = 474,120,404.15

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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.