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Finding the Fourth Proportional to 51,805,658,567.20, 77,708,487,850.80 and 51,805,658,567.20

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Solution

The fourth proportional to 51,805,658,567.20, 77,708,487,850.80 and 51,805,658,567.20 is: 77,708,487,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,805,658,567.20 : 77,708,487,850.80 = 51,805,658,567.20 : x
  2. Step 2: Convert to fraction form
    51,805,658,567.20/77,708,487,850.80 = 51,805,658,567.20/x
  3. Step 3: Cross multiply
    51,805,658,567.20x = 77,708,487,850.80 × 51,805,658,567.20
  4. Step 4: Simplify right side
    51,805,658,567.20x = 4,025,739,389,371,953,971,200
  5. Step 5: Solve for x
    x = 4,025,739,389,371,953,971,200/51,805,658,567.20
  6. Step 6: Final answer
    x = 77,708,487,850.80

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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.