Home / 589,446,962.98-813,439,337.82-321,528,634.06

Finding the Fourth Proportional to 589,446,962.98, 813,439,337.82 and 321,528,634.06

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Solution

The fourth proportional to 589,446,962.98, 813,439,337.82 and 321,528,634.06 is: 443,710,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,446,962.98 : 813,439,337.82 = 321,528,634.06 : x
  2. Step 2: Convert to fraction form
    589,446,962.98/813,439,337.82 = 321,528,634.06/x
  3. Step 3: Cross multiply
    589,446,962.98x = 813,439,337.82 × 321,528,634.06
  4. Step 4: Simplify right side
    589,446,962.98x = 261,544,039,179,935,520
  5. Step 5: Solve for x
    x = 261,544,039,179,935,520/589,446,962.98
  6. Step 6: Final answer
    x = 443,710,894.46

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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.