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Finding the Fourth Proportional to 908,763,021.60, 1,363,144,532.40 and 908,763,021.60

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Solution

The fourth proportional to 908,763,021.60, 1,363,144,532.40 and 908,763,021.60 is: 1,363,144,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,763,021.60 : 1,363,144,532.40 = 908,763,021.60 : x
  2. Step 2: Convert to fraction form
    908,763,021.60/1,363,144,532.40 = 908,763,021.60/x
  3. Step 3: Cross multiply
    908,763,021.60x = 1,363,144,532.40 × 908,763,021.60
  4. Step 4: Simplify right side
    908,763,021.60x = 1,238,775,344,141,343,232
  5. Step 5: Solve for x
    x = 1,238,775,344,141,343,232/908,763,021.60
  6. Step 6: Final answer
    x = 1,363,144,532.40

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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.