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Finding the Fourth Proportional to 1,197,562,888.61, 1,652,017,763.79 and 757,784,832.29

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Solution

The fourth proportional to 1,197,562,888.61, 1,652,017,763.79 and 757,784,832.29 is: 1,045,351,368.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,562,888.61 : 1,652,017,763.79 = 757,784,832.29 : x
  2. Step 2: Convert to fraction form
    1,197,562,888.61/1,652,017,763.79 = 757,784,832.29/x
  3. Step 3: Cross multiply
    1,197,562,888.61x = 1,652,017,763.79 × 757,784,832.29
  4. Step 4: Simplify right side
    1,197,562,888.61x = 1,251,874,004,073,705,984
  5. Step 5: Solve for x
    x = 1,251,874,004,073,705,984/1,197,562,888.61
  6. Step 6: Final answer
    x = 1,045,351,368.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.