Home / 282,898,215,524.80-390,397,551,416.32-154,439,664,136.64

Finding the Fourth Proportional to 282,898,215,524.80, 390,397,551,416.32 and 154,439,664,136.64

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Solution

The fourth proportional to 282,898,215,524.80, 390,397,551,416.32 and 154,439,664,136.64 is: 213,125,652,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,898,215,524.80 : 390,397,551,416.32 = 154,439,664,136.64 : x
  2. Step 2: Convert to fraction form
    282,898,215,524.80/390,397,551,416.32 = 154,439,664,136.64/x
  3. Step 3: Cross multiply
    282,898,215,524.80x = 390,397,551,416.32 × 154,439,664,136.64
  4. Step 4: Simplify right side
    282,898,215,524.80x = 60,292,866,720,503,110,303,744
  5. Step 5: Solve for x
    x = 60,292,866,720,503,110,303,744/282,898,215,524.80
  6. Step 6: Final answer
    x = 213,125,652,308.04

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1.5x scale

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.