Home / 525,977,378.40-788,966,067.60-137,799,458.40

Finding the Fourth Proportional to 525,977,378.40, 788,966,067.60 and 137,799,458.40

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Solution

The fourth proportional to 525,977,378.40, 788,966,067.60 and 137,799,458.40 is: 206,699,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,977,378.40 : 788,966,067.60 = 137,799,458.40 : x
  2. Step 2: Convert to fraction form
    525,977,378.40/788,966,067.60 = 137,799,458.40/x
  3. Step 3: Cross multiply
    525,977,378.40x = 788,966,067.60 × 137,799,458.40
  4. Step 4: Simplify right side
    525,977,378.40x = 108,719,096,811,257,792
  5. Step 5: Solve for x
    x = 108,719,096,811,257,792/525,977,378.40
  6. Step 6: Final answer
    x = 206,699,187.60

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Double scale
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Similar ratio
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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.