Home / 786,794,601.47-1,085,770,928.45-429,562,366.97

Finding the Fourth Proportional to 786,794,601.47, 1,085,770,928.45 and 429,562,366.97

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Solution

The fourth proportional to 786,794,601.47, 1,085,770,928.45 and 429,562,366.97 is: 592,792,997.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,794,601.47 : 1,085,770,928.45 = 429,562,366.97 : x
  2. Step 2: Convert to fraction form
    786,794,601.47/1,085,770,928.45 = 429,562,366.97/x
  3. Step 3: Cross multiply
    786,794,601.47x = 1,085,770,928.45 × 429,562,366.97
  4. Step 4: Simplify right side
    786,794,601.47x = 466,406,330,013,954,496
  5. Step 5: Solve for x
    x = 466,406,330,013,954,496/786,794,601.47
  6. Step 6: Final answer
    x = 592,792,997.23

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1.5x scale

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.