Home / 651,837,220.20-977,755,830.30-445,212,959.40

Finding the Fourth Proportional to 651,837,220.20, 977,755,830.30 and 445,212,959.40

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Solution

The fourth proportional to 651,837,220.20, 977,755,830.30 and 445,212,959.40 is: 667,819,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,837,220.20 : 977,755,830.30 = 445,212,959.40 : x
  2. Step 2: Convert to fraction form
    651,837,220.20/977,755,830.30 = 445,212,959.40/x
  3. Step 3: Cross multiply
    651,837,220.20x = 977,755,830.30 × 445,212,959.40
  4. Step 4: Simplify right side
    651,837,220.20x = 435,309,566,778,467,136
  5. Step 5: Solve for x
    x = 435,309,566,778,467,136/651,837,220.20
  6. Step 6: Final answer
    x = 667,819,439.10

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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.