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Finding the Fourth Proportional to 966,528,440.80, 1,449,792,661.20 and 966,528,440.80

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Solution

The fourth proportional to 966,528,440.80, 1,449,792,661.20 and 966,528,440.80 is: 1,449,792,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,528,440.80 : 1,449,792,661.20 = 966,528,440.80 : x
  2. Step 2: Convert to fraction form
    966,528,440.80/1,449,792,661.20 = 966,528,440.80/x
  3. Step 3: Cross multiply
    966,528,440.80x = 1,449,792,661.20 × 966,528,440.80
  4. Step 4: Simplify right side
    966,528,440.80x = 1,401,265,840,312,918,528
  5. Step 5: Solve for x
    x = 1,401,265,840,312,918,528/966,528,440.80
  6. Step 6: Final answer
    x = 1,449,792,661.20

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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.