Home / 343,840,658.40-515,760,987.60-98,196,818.40

Finding the Fourth Proportional to 343,840,658.40, 515,760,987.60 and 98,196,818.40

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Solution

The fourth proportional to 343,840,658.40, 515,760,987.60 and 98,196,818.40 is: 147,295,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,840,658.40 : 515,760,987.60 = 98,196,818.40 : x
  2. Step 2: Convert to fraction form
    343,840,658.40/515,760,987.60 = 98,196,818.40/x
  3. Step 3: Cross multiply
    343,840,658.40x = 515,760,987.60 × 98,196,818.40
  4. Step 4: Simplify right side
    343,840,658.40x = 50,646,088,037,161,856
  5. Step 5: Solve for x
    x = 50,646,088,037,161,856/343,840,658.40
  6. Step 6: Final answer
    x = 147,295,227.60

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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.