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Finding the Fourth Proportional to 70,576,509,667.60, 99,055,062,647.60 and 70,576,509,667.60

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Solution

The fourth proportional to 70,576,509,667.60, 99,055,062,647.60 and 70,576,509,667.60 is: 99,055,062,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,576,509,667.60 : 99,055,062,647.60 = 70,576,509,667.60 : x
  2. Step 2: Convert to fraction form
    70,576,509,667.60/99,055,062,647.60 = 70,576,509,667.60/x
  3. Step 3: Cross multiply
    70,576,509,667.60x = 99,055,062,647.60 × 70,576,509,667.60
  4. Step 4: Simplify right side
    70,576,509,667.60x = 6,990,960,586,573,065,748,480
  5. Step 5: Solve for x
    x = 6,990,960,586,573,065,748,480/70,576,509,667.60
  6. Step 6: Final answer
    x = 99,055,062,647.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.