Home / 819,336,613.37-1,130,772,150.81-502,007,453.82

Finding the Fourth Proportional to 819,336,613.37, 1,130,772,150.81 and 502,007,453.82

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Solution

The fourth proportional to 819,336,613.37, 1,130,772,150.81 and 502,007,453.82 is: 692,823,973.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,336,613.37 : 1,130,772,150.81 = 502,007,453.82 : x
  2. Step 2: Convert to fraction form
    819,336,613.37/1,130,772,150.81 = 502,007,453.82/x
  3. Step 3: Cross multiply
    819,336,613.37x = 1,130,772,150.81 × 502,007,453.82
  4. Step 4: Simplify right side
    819,336,613.37x = 567,656,048,278,693,120
  5. Step 5: Solve for x
    x = 567,656,048,278,693,120/819,336,613.37
  6. Step 6: Final answer
    x = 692,823,973.71

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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.