Home / 1,092,114,469.80-1,638,171,704.70-402,516,628.20

Finding the Fourth Proportional to 1,092,114,469.80, 1,638,171,704.70 and 402,516,628.20

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Solution

The fourth proportional to 1,092,114,469.80, 1,638,171,704.70 and 402,516,628.20 is: 603,774,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,114,469.80 : 1,638,171,704.70 = 402,516,628.20 : x
  2. Step 2: Convert to fraction form
    1,092,114,469.80/1,638,171,704.70 = 402,516,628.20/x
  3. Step 3: Cross multiply
    1,092,114,469.80x = 1,638,171,704.70 × 402,516,628.20
  4. Step 4: Simplify right side
    1,092,114,469.80x = 659,391,350,988,490,112
  5. Step 5: Solve for x
    x = 659,391,350,988,490,112/1,092,114,469.80
  6. Step 6: Final answer
    x = 603,774,942.30

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Double scale
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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.