Home / 862,680,925.60-1,294,021,388.40-617,792,912.80

Finding the Fourth Proportional to 862,680,925.60, 1,294,021,388.40 and 617,792,912.80

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Solution

The fourth proportional to 862,680,925.60, 1,294,021,388.40 and 617,792,912.80 is: 926,689,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,680,925.60 : 1,294,021,388.40 = 617,792,912.80 : x
  2. Step 2: Convert to fraction form
    862,680,925.60/1,294,021,388.40 = 617,792,912.80/x
  3. Step 3: Cross multiply
    862,680,925.60x = 1,294,021,388.40 × 617,792,912.80
  4. Step 4: Simplify right side
    862,680,925.60x = 799,437,242,765,136,128
  5. Step 5: Solve for x
    x = 799,437,242,765,136,128/862,680,925.60
  6. Step 6: Final answer
    x = 926,689,369.20

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Double scale
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1.5x scale

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.