Home / 388,864,338.32-536,674,373.84-238,256,943.52

Finding the Fourth Proportional to 388,864,338.32, 536,674,373.84 and 238,256,943.52

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Solution

The fourth proportional to 388,864,338.32, 536,674,373.84 and 238,256,943.52 is: 328,820,062.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,864,338.32 : 536,674,373.84 = 238,256,943.52 : x
  2. Step 2: Convert to fraction form
    388,864,338.32/536,674,373.84 = 238,256,943.52/x
  3. Step 3: Cross multiply
    388,864,338.32x = 536,674,373.84 × 238,256,943.52
  4. Step 4: Simplify right side
    388,864,338.32x = 127,866,395,976,628,240
  5. Step 5: Solve for x
    x = 127,866,395,976,628,240/388,864,338.32
  6. Step 6: Final answer
    x = 328,820,062.36

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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.