Home / 521,520,774,003.60-782,281,161,005.40-168,229,000,870.80

Finding the Fourth Proportional to 521,520,774,003.60, 782,281,161,005.40 and 168,229,000,870.80

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Solution

The fourth proportional to 521,520,774,003.60, 782,281,161,005.40 and 168,229,000,870.80 is: 252,343,501,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,520,774,003.60 : 782,281,161,005.40 = 168,229,000,870.80 : x
  2. Step 2: Convert to fraction form
    521,520,774,003.60/782,281,161,005.40 = 168,229,000,870.80/x
  3. Step 3: Cross multiply
    521,520,774,003.60x = 782,281,161,005.40 × 168,229,000,870.80
  4. Step 4: Simplify right side
    521,520,774,003.60x = 131,602,378,115,987,871,367,168
  5. Step 5: Solve for x
    x = 131,602,378,115,987,871,367,168/521,520,774,003.60
  6. Step 6: Final answer
    x = 252,343,501,306.20

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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.