Home / 982,401,349.20-1,473,602,023.80-465,840,697.20

Finding the Fourth Proportional to 982,401,349.20, 1,473,602,023.80 and 465,840,697.20

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Solution

The fourth proportional to 982,401,349.20, 1,473,602,023.80 and 465,840,697.20 is: 698,761,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,401,349.20 : 1,473,602,023.80 = 465,840,697.20 : x
  2. Step 2: Convert to fraction form
    982,401,349.20/1,473,602,023.80 = 465,840,697.20/x
  3. Step 3: Cross multiply
    982,401,349.20x = 1,473,602,023.80 × 465,840,697.20
  4. Step 4: Simplify right side
    982,401,349.20x = 686,463,794,162,322,944
  5. Step 5: Solve for x
    x = 686,463,794,162,322,944/982,401,349.20
  6. Step 6: Final answer
    x = 698,761,045.80

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Double scale
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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.