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Finding the Fourth Proportional to 593,290,189.80, 889,305,428.70 and 286,382,356.20

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Solution

The fourth proportional to 593,290,189.80, 889,305,428.70 and 286,382,356.20 is: 429,269,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,290,189.80 : 889,305,428.70 = 286,382,356.20 : x
  2. Step 2: Convert to fraction form
    593,290,189.80/889,305,428.70 = 286,382,356.20/x
  3. Step 3: Cross multiply
    593,290,189.80x = 889,305,428.70 × 286,382,356.20
  4. Step 4: Simplify right side
    593,290,189.80x = 254,681,384,052,557,120
  5. Step 5: Solve for x
    x = 254,681,384,052,557,120/593,290,189.80
  6. Step 6: Final answer
    x = 429,269,501.55

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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.