Home / 986,238,263.12-1,361,144,207.30-604,692,803.84

Finding the Fourth Proportional to 986,238,263.12, 1,361,144,207.30 and 604,692,803.84

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Solution

The fourth proportional to 986,238,263.12, 1,361,144,207.30 and 604,692,803.84 is: 834,559,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,238,263.12 : 1,361,144,207.30 = 604,692,803.84 : x
  2. Step 2: Convert to fraction form
    986,238,263.12/1,361,144,207.30 = 604,692,803.84/x
  3. Step 3: Cross multiply
    986,238,263.12x = 1,361,144,207.30 × 604,692,803.84
  4. Step 4: Simplify right side
    986,238,263.12x = 823,074,107,132,982,144
  5. Step 5: Solve for x
    x = 823,074,107,132,982,144/986,238,263.12
  6. Step 6: Final answer
    x = 834,559,089.74

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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.