Home / 636,520,984,886.80-878,394,490,626-347,489,244,263.44

Finding the Fourth Proportional to 636,520,984,886.80, 878,394,490,626 and 347,489,244,263.44

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Solution

The fourth proportional to 636,520,984,886.80, 878,394,490,626 and 347,489,244,263.44 is: 479,532,717,632.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,520,984,886.80 : 878,394,490,626 = 347,489,244,263.44 : x
  2. Step 2: Convert to fraction form
    636,520,984,886.80/878,394,490,626 = 347,489,244,263.44/x
  3. Step 3: Cross multiply
    636,520,984,886.80x = 878,394,490,626 × 347,489,244,263.44
  4. Step 4: Simplify right side
    636,520,984,886.80x = 305,232,637,712,798,054,350,848
  5. Step 5: Solve for x
    x = 305,232,637,712,798,054,350,848/636,520,984,886.80
  6. Step 6: Final answer
    x = 479,532,717,632.37

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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.