Home / 40,223,948,019.53-60,314,971,714.70-18,970,690,138.07

Finding the Fourth Proportional to 40,223,948,019.53, 60,314,971,714.70 and 18,970,690,138.07

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Solution

The fourth proportional to 40,223,948,019.53, 60,314,971,714.70 and 18,970,690,138.07 is: 28,446,154,478.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,223,948,019.53 : 60,314,971,714.70 = 18,970,690,138.07 : x
  2. Step 2: Convert to fraction form
    40,223,948,019.53/60,314,971,714.70 = 18,970,690,138.07/x
  3. Step 3: Cross multiply
    40,223,948,019.53x = 60,314,971,714.70 × 18,970,690,138.07
  4. Step 4: Simplify right side
    40,223,948,019.53x = 1,144,216,639,085,633,732,608
  5. Step 5: Solve for x
    x = 1,144,216,639,085,633,732,608/40,223,948,019.53
  6. Step 6: Final answer
    x = 28,446,154,478.18

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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.