Home / 388,864,327.50-536,674,358.88-238,256,932.68

Finding the Fourth Proportional to 388,864,327.50, 536,674,358.88 and 238,256,932.68

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Solution

The fourth proportional to 388,864,327.50, 536,674,358.88 and 238,256,932.68 is: 328,820,047.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,864,327.50 : 536,674,358.88 = 238,256,932.68 : x
  2. Step 2: Convert to fraction form
    388,864,327.50/536,674,358.88 = 238,256,932.68/x
  3. Step 3: Cross multiply
    388,864,327.50x = 536,674,358.88 × 238,256,932.68
  4. Step 4: Simplify right side
    388,864,327.50x = 127,866,386,594,754,320
  5. Step 5: Solve for x
    x = 127,866,386,594,754,320/388,864,327.50
  6. Step 6: Final answer
    x = 328,820,047.38

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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.