Home / 468,477,213.78-702,574,176.87-140,865,759.21

Finding the Fourth Proportional to 468,477,213.78, 702,574,176.87 and 140,865,759.21

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Solution

The fourth proportional to 468,477,213.78, 702,574,176.87 and 140,865,759.21 is: 211,256,048.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,477,213.78 : 702,574,176.87 = 140,865,759.21 : x
  2. Step 2: Convert to fraction form
    468,477,213.78/702,574,176.87 = 140,865,759.21/x
  3. Step 3: Cross multiply
    468,477,213.78x = 702,574,176.87 × 140,865,759.21
  4. Step 4: Simplify right side
    468,477,213.78x = 98,968,644,826,133,376
  5. Step 5: Solve for x
    x = 98,968,644,826,133,376/468,477,213.78
  6. Step 6: Final answer
    x = 211,256,048.14

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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.