Home / 574,477,385.70-861,716,078.55-342,025,092.30

Finding the Fourth Proportional to 574,477,385.70, 861,716,078.55 and 342,025,092.30

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Solution

The fourth proportional to 574,477,385.70, 861,716,078.55 and 342,025,092.30 is: 513,037,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,477,385.70 : 861,716,078.55 = 342,025,092.30 : x
  2. Step 2: Convert to fraction form
    574,477,385.70/861,716,078.55 = 342,025,092.30/x
  3. Step 3: Cross multiply
    574,477,385.70x = 861,716,078.55 × 342,025,092.30
  4. Step 4: Simplify right side
    574,477,385.70x = 294,728,521,302,457,792
  5. Step 5: Solve for x
    x = 294,728,521,302,457,792/574,477,385.70
  6. Step 6: Final answer
    x = 513,037,638.45

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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.