Home / 776,816,379.50-1,165,961,239.52-480,816,124.31

Finding the Fourth Proportional to 776,816,379.50, 1,165,961,239.52 and 480,816,124.31

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Solution

The fourth proportional to 776,816,379.50, 1,165,961,239.52 and 480,816,124.31 is: 721,680,153.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,816,379.50 : 1,165,961,239.52 = 480,816,124.31 : x
  2. Step 2: Convert to fraction form
    776,816,379.50/1,165,961,239.52 = 480,816,124.31/x
  3. Step 3: Cross multiply
    776,816,379.50x = 1,165,961,239.52 × 480,816,124.31
  4. Step 4: Simplify right side
    776,816,379.50x = 560,612,964,282,200,896
  5. Step 5: Solve for x
    x = 560,612,964,282,200,896/776,816,379.50
  6. Step 6: Final answer
    x = 721,680,153.87

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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.