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Finding the Fourth Proportional to 25,894,809,005.70, 36,289,465,809.90 and 25,894,809,005.70

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Solution

The fourth proportional to 25,894,809,005.70, 36,289,465,809.90 and 25,894,809,005.70 is: 36,289,465,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,894,809,005.70 : 36,289,465,809.90 = 25,894,809,005.70 : x
  2. Step 2: Convert to fraction form
    25,894,809,005.70/36,289,465,809.90 = 25,894,809,005.70/x
  3. Step 3: Cross multiply
    25,894,809,005.70x = 36,289,465,809.90 × 25,894,809,005.70
  4. Step 4: Simplify right side
    25,894,809,005.70x = 939,708,786,066,240,831,488
  5. Step 5: Solve for x
    x = 939,708,786,066,240,831,488/25,894,809,005.70
  6. Step 6: Final answer
    x = 36,289,465,809.90

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Double scale
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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.