Home / 788,177,321.70-1,182,265,982.55-497,939,676.90

Finding the Fourth Proportional to 788,177,321.70, 1,182,265,982.55 and 497,939,676.90

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Solution

The fourth proportional to 788,177,321.70, 1,182,265,982.55 and 497,939,676.90 is: 746,909,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,177,321.70 : 1,182,265,982.55 = 497,939,676.90 : x
  2. Step 2: Convert to fraction form
    788,177,321.70/1,182,265,982.55 = 497,939,676.90/x
  3. Step 3: Cross multiply
    788,177,321.70x = 1,182,265,982.55 × 497,939,676.90
  4. Step 4: Simplify right side
    788,177,321.70x = 588,697,141,360,807,936
  5. Step 5: Solve for x
    x = 588,697,141,360,807,936/788,177,321.70
  6. Step 6: Final answer
    x = 746,909,515.35

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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.