Home / 1,367,493,346.40-2,051,240,019.60-398,176,584.80

Finding the Fourth Proportional to 1,367,493,346.40, 2,051,240,019.60 and 398,176,584.80

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Solution

The fourth proportional to 1,367,493,346.40, 2,051,240,019.60 and 398,176,584.80 is: 597,264,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,493,346.40 : 2,051,240,019.60 = 398,176,584.80 : x
  2. Step 2: Convert to fraction form
    1,367,493,346.40/2,051,240,019.60 = 398,176,584.80/x
  3. Step 3: Cross multiply
    1,367,493,346.40x = 2,051,240,019.60 × 398,176,584.80
  4. Step 4: Simplify right side
    1,367,493,346.40x = 816,755,745,609,412,992
  5. Step 5: Solve for x
    x = 816,755,745,609,412,992/1,367,493,346.40
  6. Step 6: Final answer
    x = 597,264,877.20

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Double scale
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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.