Home / 676,476,336.88-933,521,467.27-398,035,894.96

Finding the Fourth Proportional to 676,476,336.88, 933,521,467.27 and 398,035,894.96

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Solution

The fourth proportional to 676,476,336.88, 933,521,467.27 and 398,035,894.96 is: 549,280,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,476,336.88 : 933,521,467.27 = 398,035,894.96 : x
  2. Step 2: Convert to fraction form
    676,476,336.88/933,521,467.27 = 398,035,894.96/x
  3. Step 3: Cross multiply
    676,476,336.88x = 933,521,467.27 × 398,035,894.96
  4. Step 4: Simplify right side
    676,476,336.88x = 371,575,052,682,528,960
  5. Step 5: Solve for x
    x = 371,575,052,682,528,960/676,476,336.88
  6. Step 6: Final answer
    x = 549,280,192.71

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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.