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Finding the Fourth Proportional to 84,960,604,586.80, 127,196,018,867.40 and 84,960,604,586.80

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Solution

The fourth proportional to 84,960,604,586.80, 127,196,018,867.40 and 84,960,604,586.80 is: 127,196,018,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,960,604,586.80 : 127,196,018,867.40 = 84,960,604,586.80 : x
  2. Step 2: Convert to fraction form
    84,960,604,586.80/127,196,018,867.40 = 84,960,604,586.80/x
  3. Step 3: Cross multiply
    84,960,604,586.80x = 127,196,018,867.40 × 84,960,604,586.80
  4. Step 4: Simplify right side
    84,960,604,586.80x = 10,806,650,664,008,323,956,736
  5. Step 5: Solve for x
    x = 10,806,650,664,008,323,956,736/84,960,604,586.80
  6. Step 6: Final answer
    x = 127,196,018,867.40

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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.