Home / 1,170,035,829.40-1,755,053,744.10-480,437,987.80

Finding the Fourth Proportional to 1,170,035,829.40, 1,755,053,744.10 and 480,437,987.80

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Solution

The fourth proportional to 1,170,035,829.40, 1,755,053,744.10 and 480,437,987.80 is: 720,656,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,035,829.40 : 1,755,053,744.10 = 480,437,987.80 : x
  2. Step 2: Convert to fraction form
    1,170,035,829.40/1,755,053,744.10 = 480,437,987.80/x
  3. Step 3: Cross multiply
    1,170,035,829.40x = 1,755,053,744.10 × 480,437,987.80
  4. Step 4: Simplify right side
    1,170,035,829.40x = 843,194,489,296,260,096
  5. Step 5: Solve for x
    x = 843,194,489,296,260,096/1,170,035,829.40
  6. Step 6: Final answer
    x = 720,656,981.70

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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.