Home / 1,058,304,079.60-1,587,353,412.20-321,380,329.20

Finding the Fourth Proportional to 1,058,304,079.60, 1,587,353,412.20 and 321,380,329.20

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Solution

The fourth proportional to 1,058,304,079.60, 1,587,353,412.20 and 321,380,329.20 is: 482,039,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,304,079.60 : 1,587,353,412.20 = 321,380,329.20 : x
  2. Step 2: Convert to fraction form
    1,058,304,079.60/1,587,353,412.20 = 321,380,329.20/x
  3. Step 3: Cross multiply
    1,058,304,079.60x = 1,587,353,412.20 × 321,380,329.20
  4. Step 4: Simplify right side
    1,058,304,079.60x = 510,144,162,169,579,264
  5. Step 5: Solve for x
    x = 510,144,162,169,579,264/1,058,304,079.60
  6. Step 6: Final answer
    x = 482,039,304.21

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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.