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Finding the Fourth Proportional to 2,125,772,573.40, 3,188,658,860.10 and 2,125,772,573.40

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Solution

The fourth proportional to 2,125,772,573.40, 3,188,658,860.10 and 2,125,772,573.40 is: 3,188,658,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,772,573.40 : 3,188,658,860.10 = 2,125,772,573.40 : x
  2. Step 2: Convert to fraction form
    2,125,772,573.40/3,188,658,860.10 = 2,125,772,573.40/x
  3. Step 3: Cross multiply
    2,125,772,573.40x = 3,188,658,860.10 × 2,125,772,573.40
  4. Step 4: Simplify right side
    2,125,772,573.40x = 6,778,363,550,729,487,360
  5. Step 5: Solve for x
    x = 6,778,363,550,729,487,360/2,125,772,573.40
  6. Step 6: Final answer
    x = 3,188,658,860.10

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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.