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Finding the Fourth Proportional to 758,889,018.05, 1,138,333,527.08 and 758,889,018.05

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Solution

The fourth proportional to 758,889,018.05, 1,138,333,527.08 and 758,889,018.05 is: 1,138,333,527.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,889,018.05 : 1,138,333,527.08 = 758,889,018.05 : x
  2. Step 2: Convert to fraction form
    758,889,018.05/1,138,333,527.08 = 758,889,018.05/x
  3. Step 3: Cross multiply
    758,889,018.05x = 1,138,333,527.08 × 758,889,018.05
  4. Step 4: Simplify right side
    758,889,018.05x = 863,868,812,579,134,208
  5. Step 5: Solve for x
    x = 863,868,812,579,134,208/758,889,018.05
  6. Step 6: Final answer
    x = 1,138,333,527.08

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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.