Home / 472,404,176.70-708,606,265.05-406,647,210.30

Finding the Fourth Proportional to 472,404,176.70, 708,606,265.05 and 406,647,210.30

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Solution

The fourth proportional to 472,404,176.70, 708,606,265.05 and 406,647,210.30 is: 609,970,815.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,404,176.70 : 708,606,265.05 = 406,647,210.30 : x
  2. Step 2: Convert to fraction form
    472,404,176.70/708,606,265.05 = 406,647,210.30/x
  3. Step 3: Cross multiply
    472,404,176.70x = 708,606,265.05 × 406,647,210.30
  4. Step 4: Simplify right side
    472,404,176.70x = 288,152,760,883,684,864
  5. Step 5: Solve for x
    x = 288,152,760,883,684,864/472,404,176.70
  6. Step 6: Final answer
    x = 609,970,815.45

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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.