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Finding the Fourth Proportional to 316,728,045.85, 444,023,925.95 and 316,728,045.85

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Solution

The fourth proportional to 316,728,045.85, 444,023,925.95 and 316,728,045.85 is: 444,023,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,728,045.85 : 444,023,925.95 = 316,728,045.85 : x
  2. Step 2: Convert to fraction form
    316,728,045.85/444,023,925.95 = 316,728,045.85/x
  3. Step 3: Cross multiply
    316,728,045.85x = 444,023,925.95 × 316,728,045.85
  4. Step 4: Simplify right side
    316,728,045.85x = 140,634,830,376,788,608
  5. Step 5: Solve for x
    x = 140,634,830,376,788,608/316,728,045.85
  6. Step 6: Final answer
    x = 444,023,925.95

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.