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Finding the Fourth Proportional to 423,990,010.68, 584,711,460.31 and 275,151,987.01

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Solution

The fourth proportional to 423,990,010.68, 584,711,460.31 and 275,151,987.01 is: 379,453,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,990,010.68 : 584,711,460.31 = 275,151,987.01 : x
  2. Step 2: Convert to fraction form
    423,990,010.68/584,711,460.31 = 275,151,987.01/x
  3. Step 3: Cross multiply
    423,990,010.68x = 584,711,460.31 × 275,151,987.01
  4. Step 4: Simplify right side
    423,990,010.68x = 160,884,520,131,815,232
  5. Step 5: Solve for x
    x = 160,884,520,131,815,232/423,990,010.68
  6. Step 6: Final answer
    x = 379,453,562.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.