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Finding the Fourth Proportional to 25,468,558,807.70, 38,202,838,211.55 and 25,468,558,807.70

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Solution

The fourth proportional to 25,468,558,807.70, 38,202,838,211.55 and 25,468,558,807.70 is: 38,202,838,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,468,558,807.70 : 38,202,838,211.55 = 25,468,558,807.70 : x
  2. Step 2: Convert to fraction form
    25,468,558,807.70/38,202,838,211.55 = 25,468,558,807.70/x
  3. Step 3: Cross multiply
    25,468,558,807.70x = 38,202,838,211.55 × 25,468,558,807.70
  4. Step 4: Simplify right side
    25,468,558,807.70x = 972,971,231,611,909,963,776
  5. Step 5: Solve for x
    x = 972,971,231,611,909,963,776/25,468,558,807.70
  6. Step 6: Final answer
    x = 38,202,838,211.55

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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.