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Finding the Fourth Proportional to 15,673,303,478.40, 22,004,612,148 and 15,673,303,478.40

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Solution

The fourth proportional to 15,673,303,478.40, 22,004,612,148 and 15,673,303,478.40 is: 22,004,612,148

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673,303,478.40 : 22,004,612,148 = 15,673,303,478.40 : x
  2. Step 2: Convert to fraction form
    15,673,303,478.40/22,004,612,148 = 15,673,303,478.40/x
  3. Step 3: Cross multiply
    15,673,303,478.40x = 22,004,612,148 × 15,673,303,478.40
  4. Step 4: Simplify right side
    15,673,303,478.40x = 344,884,964,120,091,295,744
  5. Step 5: Solve for x
    x = 344,884,964,120,091,295,744/15,673,303,478.40
  6. Step 6: Final answer
    x = 22,004,612,148

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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.