Home / 632,309,943.09-872,679,039.15-364,334,471.59

Finding the Fourth Proportional to 632,309,943.09, 872,679,039.15 and 364,334,471.59

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Solution

The fourth proportional to 632,309,943.09, 872,679,039.15 and 364,334,471.59 is: 502,834,187.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,309,943.09 : 872,679,039.15 = 364,334,471.59 : x
  2. Step 2: Convert to fraction form
    632,309,943.09/872,679,039.15 = 364,334,471.59/x
  3. Step 3: Cross multiply
    632,309,943.09x = 872,679,039.15 × 364,334,471.59
  4. Step 4: Simplify right side
    632,309,943.09x = 317,947,056,595,158,208
  5. Step 5: Solve for x
    x = 317,947,056,595,158,208/632,309,943.09
  6. Step 6: Final answer
    x = 502,834,187.68

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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.