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Finding the Fourth Proportional to 1,379,536,807.16, 1,903,476,601.50 and 792,712,569.08

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Solution

The fourth proportional to 1,379,536,807.16, 1,903,476,601.50 and 792,712,569.08 is: 1,093,780,042.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,536,807.16 : 1,903,476,601.50 = 792,712,569.08 : x
  2. Step 2: Convert to fraction form
    1,379,536,807.16/1,903,476,601.50 = 792,712,569.08/x
  3. Step 3: Cross multiply
    1,379,536,807.16x = 1,903,476,601.50 × 792,712,569.08
  4. Step 4: Simplify right side
    1,379,536,807.16x = 1,508,909,826,958,732,544
  5. Step 5: Solve for x
    x = 1,508,909,826,958,732,544/1,379,536,807.16
  6. Step 6: Final answer
    x = 1,093,780,042.06

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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.