Home / 319,115,562.80-478,673,344.20-264,696,004.40

Finding the Fourth Proportional to 319,115,562.80, 478,673,344.20 and 264,696,004.40

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Solution

The fourth proportional to 319,115,562.80, 478,673,344.20 and 264,696,004.40 is: 397,044,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,115,562.80 : 478,673,344.20 = 264,696,004.40 : x
  2. Step 2: Convert to fraction form
    319,115,562.80/478,673,344.20 = 264,696,004.40/x
  3. Step 3: Cross multiply
    319,115,562.80x = 478,673,344.20 × 264,696,004.40
  4. Step 4: Simplify right side
    319,115,562.80x = 126,702,921,622,525,920
  5. Step 5: Solve for x
    x = 126,702,921,622,525,920/319,115,562.80
  6. Step 6: Final answer
    x = 397,044,006.60

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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.