Home / 722,278,776.68-1,081,578,951.04-475,888,425.32

Finding the Fourth Proportional to 722,278,776.68, 1,081,578,951.04 and 475,888,425.32

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Solution

The fourth proportional to 722,278,776.68, 1,081,578,951.04 and 475,888,425.32 is: 712,620,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,278,776.68 : 1,081,578,951.04 = 475,888,425.32 : x
  2. Step 2: Convert to fraction form
    722,278,776.68/1,081,578,951.04 = 475,888,425.32/x
  3. Step 3: Cross multiply
    722,278,776.68x = 1,081,578,951.04 × 475,888,425.32
  4. Step 4: Simplify right side
    722,278,776.68x = 514,710,903,869,682,944
  5. Step 5: Solve for x
    x = 514,710,903,869,682,944/722,278,776.68
  6. Step 6: Final answer
    x = 712,620,833.52

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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.