Home / 589,446,963.48-813,439,338.51-321,528,634.56

Finding the Fourth Proportional to 589,446,963.48, 813,439,338.51 and 321,528,634.56

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Solution

The fourth proportional to 589,446,963.48, 813,439,338.51 and 321,528,634.56 is: 443,710,895.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,446,963.48 : 813,439,338.51 = 321,528,634.56 : x
  2. Step 2: Convert to fraction form
    589,446,963.48/813,439,338.51 = 321,528,634.56/x
  3. Step 3: Cross multiply
    589,446,963.48x = 813,439,338.51 × 321,528,634.56
  4. Step 4: Simplify right side
    589,446,963.48x = 261,544,039,808,509,920
  5. Step 5: Solve for x
    x = 261,544,039,808,509,920/589,446,963.48
  6. Step 6: Final answer
    x = 443,710,895.15

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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.