Home / 466,675,571.52-644,019,045.12-257,836,521.60

Finding the Fourth Proportional to 466,675,571.52, 644,019,045.12 and 257,836,521.60

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Solution

The fourth proportional to 466,675,571.52, 644,019,045.12 and 257,836,521.60 is: 355,818,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,675,571.52 : 644,019,045.12 = 257,836,521.60 : x
  2. Step 2: Convert to fraction form
    466,675,571.52/644,019,045.12 = 257,836,521.60/x
  3. Step 3: Cross multiply
    466,675,571.52x = 644,019,045.12 × 257,836,521.60
  4. Step 4: Simplify right side
    466,675,571.52x = 166,051,630,437,894,240
  5. Step 5: Solve for x
    x = 166,051,630,437,894,240/466,675,571.52
  6. Step 6: Final answer
    x = 355,818,132.71

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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.