Home / 286,544,595,430.40-429,816,893,145.60-137,407,795,635.20

Finding the Fourth Proportional to 286,544,595,430.40, 429,816,893,145.60 and 137,407,795,635.20

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Solution

The fourth proportional to 286,544,595,430.40, 429,816,893,145.60 and 137,407,795,635.20 is: 206,111,693,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,544,595,430.40 : 429,816,893,145.60 = 137,407,795,635.20 : x
  2. Step 2: Convert to fraction form
    286,544,595,430.40/429,816,893,145.60 = 137,407,795,635.20/x
  3. Step 3: Cross multiply
    286,544,595,430.40x = 429,816,893,145.60 × 137,407,795,635.20
  4. Step 4: Simplify right side
    286,544,595,430.40x = 59,060,191,813,907,192,479,744
  5. Step 5: Solve for x
    x = 59,060,191,813,907,192,479,744/286,544,595,430.40
  6. Step 6: Final answer
    x = 206,111,693,452.80

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1.5x scale

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.