Home / 478,086,928.60-717,338,983.44-167,417,521.96

Finding the Fourth Proportional to 478,086,928.60, 717,338,983.44 and 167,417,521.96

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Solution

The fourth proportional to 478,086,928.60, 717,338,983.44 and 167,417,521.96 is: 251,199,327.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,086,928.60 : 717,338,983.44 = 167,417,521.96 : x
  2. Step 2: Convert to fraction form
    478,086,928.60/717,338,983.44 = 167,417,521.96/x
  3. Step 3: Cross multiply
    478,086,928.60x = 717,338,983.44 × 167,417,521.96
  4. Step 4: Simplify right side
    478,086,928.60x = 120,095,115,012,830,288
  5. Step 5: Solve for x
    x = 120,095,115,012,830,288/478,086,928.60
  6. Step 6: Final answer
    x = 251,199,327.63

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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.