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Finding the Fourth Proportional to 659,710,027.80, 989,565,041.70 and 250,713,034.20

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Solution

The fourth proportional to 659,710,027.80, 989,565,041.70 and 250,713,034.20 is: 376,069,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,710,027.80 : 989,565,041.70 = 250,713,034.20 : x
  2. Step 2: Convert to fraction form
    659,710,027.80/989,565,041.70 = 250,713,034.20/x
  3. Step 3: Cross multiply
    659,710,027.80x = 989,565,041.70 × 250,713,034.20
  4. Step 4: Simplify right side
    659,710,027.80x = 248,096,854,142,856,512
  5. Step 5: Solve for x
    x = 248,096,854,142,856,512/659,710,027.80
  6. Step 6: Final answer
    x = 376,069,551.30

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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.