Home / 650,774,484.74-976,198,618.89-208,156,042.35

Finding the Fourth Proportional to 650,774,484.74, 976,198,618.89 and 208,156,042.35

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Solution

The fourth proportional to 650,774,484.74, 976,198,618.89 and 208,156,042.35 is: 312,245,863.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,774,484.74 : 976,198,618.89 = 208,156,042.35 : x
  2. Step 2: Convert to fraction form
    650,774,484.74/976,198,618.89 = 208,156,042.35/x
  3. Step 3: Cross multiply
    650,774,484.74x = 976,198,618.89 × 208,156,042.35
  4. Step 4: Simplify right side
    650,774,484.74x = 203,201,641,055,343,008
  5. Step 5: Solve for x
    x = 203,201,641,055,343,008/650,774,484.74
  6. Step 6: Final answer
    x = 312,245,863.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.