Home / 846,376,636.45-1,167,859,616.68-489,177,675.50

Finding the Fourth Proportional to 846,376,636.45, 1,167,859,616.68 and 489,177,675.50

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Solution

The fourth proportional to 846,376,636.45, 1,167,859,616.68 and 489,177,675.50 is: 674,984,194.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,376,636.45 : 1,167,859,616.68 = 489,177,675.50 : x
  2. Step 2: Convert to fraction form
    846,376,636.45/1,167,859,616.68 = 489,177,675.50/x
  3. Step 3: Cross multiply
    846,376,636.45x = 1,167,859,616.68 × 489,177,675.50
  4. Step 4: Simplify right side
    846,376,636.45x = 571,290,852,595,397,504
  5. Step 5: Solve for x
    x = 571,290,852,595,397,504/846,376,636.45
  6. Step 6: Final answer
    x = 674,984,194.97

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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.