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Finding the Fourth Proportional to 38,263,784,671.20, 53,445,323,983.20 and 38,263,784,671.20

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Solution

The fourth proportional to 38,263,784,671.20, 53,445,323,983.20 and 38,263,784,671.20 is: 53,445,323,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,263,784,671.20 : 53,445,323,983.20 = 38,263,784,671.20 : x
  2. Step 2: Convert to fraction form
    38,263,784,671.20/53,445,323,983.20 = 38,263,784,671.20/x
  3. Step 3: Cross multiply
    38,263,784,671.20x = 53,445,323,983.20 × 38,263,784,671.20
  4. Step 4: Simplify right side
    38,263,784,671.20x = 2,045,020,368,575,685,722,112
  5. Step 5: Solve for x
    x = 2,045,020,368,575,685,722,112/38,263,784,671.20
  6. Step 6: Final answer
    x = 53,445,323,983.20

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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.