Home / 632,103,733,012.68-872,153,644,400.61-357,749,385,377.65

Finding the Fourth Proportional to 632,103,733,012.68, 872,153,644,400.61 and 357,749,385,377.65

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Solution

The fourth proportional to 632,103,733,012.68, 872,153,644,400.61 and 357,749,385,377.65 is: 493,609,535,814.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,103,733,012.68 : 872,153,644,400.61 = 357,749,385,377.65 : x
  2. Step 2: Convert to fraction form
    632,103,733,012.68/872,153,644,400.61 = 357,749,385,377.65/x
  3. Step 3: Cross multiply
    632,103,733,012.68x = 872,153,644,400.61 × 357,749,385,377.65
  4. Step 4: Simplify right side
    632,103,733,012.68x = 312,012,430,239,195,769,864,192
  5. Step 5: Solve for x
    x = 312,012,430,239,195,769,864,192/632,103,733,012.68
  6. Step 6: Final answer
    x = 493,609,535,814.81

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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.