Home / 378,288,734.40-566,992,202.40-173,837,476.80

Finding the Fourth Proportional to 378,288,734.40, 566,992,202.40 and 173,837,476.80

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Solution

The fourth proportional to 378,288,734.40, 566,992,202.40 and 173,837,476.80 is: 260,553,605.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,288,734.40 : 566,992,202.40 = 173,837,476.80 : x
  2. Step 2: Convert to fraction form
    378,288,734.40/566,992,202.40 = 173,837,476.80/x
  3. Step 3: Cross multiply
    378,288,734.40x = 566,992,202.40 × 173,837,476.80
  4. Step 4: Simplify right side
    378,288,734.40x = 98,564,493,830,490,912
  5. Step 5: Solve for x
    x = 98,564,493,830,490,912/378,288,734.40
  6. Step 6: Final answer
    x = 260,553,605.93

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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.