Home / 472,190,915.09-707,337,810.42-235,126,235.10

Finding the Fourth Proportional to 472,190,915.09, 707,337,810.42 and 235,126,235.10

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Solution

The fourth proportional to 472,190,915.09, 707,337,810.42 and 235,126,235.10 is: 352,217,018.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,190,915.09 : 707,337,810.42 = 235,126,235.10 : x
  2. Step 2: Convert to fraction form
    472,190,915.09/707,337,810.42 = 235,126,235.10/x
  3. Step 3: Cross multiply
    472,190,915.09x = 707,337,810.42 × 235,126,235.10
  4. Step 4: Simplify right side
    472,190,915.09x = 166,313,676,308,625,248
  5. Step 5: Solve for x
    x = 166,313,676,308,625,248/472,190,915.09
  6. Step 6: Final answer
    x = 352,217,018.57

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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.