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Finding the Fourth Proportional to 1,783,641,694.77, 2,675,807,088.75 and 678,160,597.86

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Solution

The fourth proportional to 1,783,641,694.77, 2,675,807,088.75 and 678,160,597.86 is: 1,017,371,897.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,641,694.77 : 2,675,807,088.75 = 678,160,597.86 : x
  2. Step 2: Convert to fraction form
    1,783,641,694.77/2,675,807,088.75 = 678,160,597.86/x
  3. Step 3: Cross multiply
    1,783,641,694.77x = 2,675,807,088.75 × 678,160,597.86
  4. Step 4: Simplify right side
    1,783,641,694.77x = 1,814,626,935,064,726,016
  5. Step 5: Solve for x
    x = 1,814,626,935,064,726,016/1,783,641,694.77
  6. Step 6: Final answer
    x = 1,017,371,897.27

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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.