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Finding the Fourth Proportional to 25,553,457,019.80, 38,330,185,529.70 and 25,553,457,019.80

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Solution

The fourth proportional to 25,553,457,019.80, 38,330,185,529.70 and 25,553,457,019.80 is: 38,330,185,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,553,457,019.80 : 38,330,185,529.70 = 25,553,457,019.80 : x
  2. Step 2: Convert to fraction form
    25,553,457,019.80/38,330,185,529.70 = 25,553,457,019.80/x
  3. Step 3: Cross multiply
    25,553,457,019.80x = 38,330,185,529.70 × 25,553,457,019.80
  4. Step 4: Simplify right side
    25,553,457,019.80x = 979,468,748,494,148,730,880
  5. Step 5: Solve for x
    x = 979,468,748,494,148,730,880/25,553,457,019.80
  6. Step 6: Final answer
    x = 38,330,185,529.70

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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.