Home / 40,223,948,016.51-60,314,971,710.20-18,970,690,135.05

Finding the Fourth Proportional to 40,223,948,016.51, 60,314,971,710.20 and 18,970,690,135.05

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Solution

The fourth proportional to 40,223,948,016.51, 60,314,971,710.20 and 18,970,690,135.05 is: 28,446,154,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,223,948,016.51 : 60,314,971,710.20 = 18,970,690,135.05 : x
  2. Step 2: Convert to fraction form
    40,223,948,016.51/60,314,971,710.20 = 18,970,690,135.05/x
  3. Step 3: Cross multiply
    40,223,948,016.51x = 60,314,971,710.20 × 18,970,690,135.05
  4. Step 4: Simplify right side
    40,223,948,016.51x = 1,144,216,638,818,416,066,560
  5. Step 5: Solve for x
    x = 1,144,216,638,818,416,066,560/40,223,948,016.51
  6. Step 6: Final answer
    x = 28,446,154,473.67

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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.