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Finding the Fourth Proportional to 5,877,488,812.90, 8,251,729,567.40 and 5,877,488,812.90

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Solution

The fourth proportional to 5,877,488,812.90, 8,251,729,567.40 and 5,877,488,812.90 is: 8,251,729,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877,488,812.90 : 8,251,729,567.40 = 5,877,488,812.90 : x
  2. Step 2: Convert to fraction form
    5,877,488,812.90/8,251,729,567.40 = 5,877,488,812.90/x
  3. Step 3: Cross multiply
    5,877,488,812.90x = 8,251,729,567.40 × 5,877,488,812.90
  4. Step 4: Simplify right side
    5,877,488,812.90x = 48,499,448,219,469,651,968
  5. Step 5: Solve for x
    x = 48,499,448,219,469,651,968/5,877,488,812.90
  6. Step 6: Final answer
    x = 8,251,729,567.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.