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Finding the Fourth Proportional to 42,706,957,211.70, 64,060,435,817.55 and 42,706,957,211.70

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Solution

The fourth proportional to 42,706,957,211.70, 64,060,435,817.55 and 42,706,957,211.70 is: 64,060,435,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,706,957,211.70 : 64,060,435,817.55 = 42,706,957,211.70 : x
  2. Step 2: Convert to fraction form
    42,706,957,211.70/64,060,435,817.55 = 42,706,957,211.70/x
  3. Step 3: Cross multiply
    42,706,957,211.70x = 64,060,435,817.55 × 42,706,957,211.70
  4. Step 4: Simplify right side
    42,706,957,211.70x = 2,735,826,291,422,962,122,752
  5. Step 5: Solve for x
    x = 2,735,826,291,422,962,122,752/42,706,957,211.70
  6. Step 6: Final answer
    x = 64,060,435,817.55

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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.