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Finding the Fourth Proportional to 2,987,307,842.40, 4,480,961,763.60 and 2,987,307,842.40

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Solution

The fourth proportional to 2,987,307,842.40, 4,480,961,763.60 and 2,987,307,842.40 is: 4,480,961,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,307,842.40 : 4,480,961,763.60 = 2,987,307,842.40 : x
  2. Step 2: Convert to fraction form
    2,987,307,842.40/4,480,961,763.60 = 2,987,307,842.40/x
  3. Step 3: Cross multiply
    2,987,307,842.40x = 4,480,961,763.60 × 2,987,307,842.40
  4. Step 4: Simplify right side
    2,987,307,842.40x = 13,386,012,217,896,816,640
  5. Step 5: Solve for x
    x = 13,386,012,217,896,816,640/2,987,307,842.40
  6. Step 6: Final answer
    x = 4,480,961,763.60

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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.