Home / 664,368,817.37-916,856,823.29-382,111,336.46

Finding the Fourth Proportional to 664,368,817.37, 916,856,823.29 and 382,111,336.46

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Solution

The fourth proportional to 664,368,817.37, 916,856,823.29 and 382,111,336.46 is: 527,329,665.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,368,817.37 : 916,856,823.29 = 382,111,336.46 : x
  2. Step 2: Convert to fraction form
    664,368,817.37/916,856,823.29 = 382,111,336.46/x
  3. Step 3: Cross multiply
    664,368,817.37x = 916,856,823.29 × 382,111,336.46
  4. Step 4: Simplify right side
    664,368,817.37x = 350,341,386,087,169,920
  5. Step 5: Solve for x
    x = 350,341,386,087,169,920/664,368,817.37
  6. Step 6: Final answer
    x = 527,329,665.29

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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.