Home / 498,811,208.22-688,208,275.80-348,099,855.12

Finding the Fourth Proportional to 498,811,208.22, 688,208,275.80 and 348,099,855.12

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Solution

The fourth proportional to 498,811,208.22, 688,208,275.80 and 348,099,855.12 is: 480,272,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,811,208.22 : 688,208,275.80 = 348,099,855.12 : x
  2. Step 2: Convert to fraction form
    498,811,208.22/688,208,275.80 = 348,099,855.12/x
  3. Step 3: Cross multiply
    498,811,208.22x = 688,208,275.80 × 348,099,855.12
  4. Step 4: Simplify right side
    498,811,208.22x = 239,565,201,098,364,992
  5. Step 5: Solve for x
    x = 239,565,201,098,364,992/498,811,208.22
  6. Step 6: Final answer
    x = 480,272,289.70

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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.