Home / 1,783,641,711.80-2,675,807,114.28-678,160,614.86

Finding the Fourth Proportional to 1,783,641,711.80, 2,675,807,114.28 and 678,160,614.86

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Solution

The fourth proportional to 1,783,641,711.80, 2,675,807,114.28 and 678,160,614.86 is: 1,017,371,922.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,641,711.80 : 2,675,807,114.28 = 678,160,614.86 : x
  2. Step 2: Convert to fraction form
    1,783,641,711.80/2,675,807,114.28 = 678,160,614.86/x
  3. Step 3: Cross multiply
    1,783,641,711.80x = 2,675,807,114.28 × 678,160,614.86
  4. Step 4: Simplify right side
    1,783,641,711.80x = 1,814,626,997,866,887,168
  5. Step 5: Solve for x
    x = 1,814,626,997,866,887,168/1,783,641,711.80
  6. Step 6: Final answer
    x = 1,017,371,922.77

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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.