Home / 346,616,852.40-478,382,594.82-219,469,348.86

Finding the Fourth Proportional to 346,616,852.40, 478,382,594.82 and 219,469,348.86

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Solution

The fourth proportional to 346,616,852.40, 478,382,594.82 and 219,469,348.86 is: 302,900,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,616,852.40 : 478,382,594.82 = 219,469,348.86 : x
  2. Step 2: Convert to fraction form
    346,616,852.40/478,382,594.82 = 219,469,348.86/x
  3. Step 3: Cross multiply
    346,616,852.40x = 478,382,594.82 × 219,469,348.86
  4. Step 4: Simplify right side
    346,616,852.40x = 104,990,316,591,102,608
  5. Step 5: Solve for x
    x = 104,990,316,591,102,608/346,616,852.40
  6. Step 6: Final answer
    x = 302,900,207.72

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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.