Home / 649,859,618.58-896,800,965.84-352,501,116.36

Finding the Fourth Proportional to 649,859,618.58, 896,800,965.84 and 352,501,116.36

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Solution

The fourth proportional to 649,859,618.58, 896,800,965.84 and 352,501,116.36 is: 486,448,661.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,859,618.58 : 896,800,965.84 = 352,501,116.36 : x
  2. Step 2: Convert to fraction form
    649,859,618.58/896,800,965.84 = 352,501,116.36/x
  3. Step 3: Cross multiply
    649,859,618.58x = 896,800,965.84 × 352,501,116.36
  4. Step 4: Simplify right side
    649,859,618.58x = 316,123,341,611,326,272
  5. Step 5: Solve for x
    x = 316,123,341,611,326,272/649,859,618.58
  6. Step 6: Final answer
    x = 486,448,661.48

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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.