Home / 675,287,534.04-1,012,982,387.29-208,996,119.71

Finding the Fourth Proportional to 675,287,534.04, 1,012,982,387.29 and 208,996,119.71

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Solution

The fourth proportional to 675,287,534.04, 1,012,982,387.29 and 208,996,119.71 is: 313,509,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,287,534.04 : 1,012,982,387.29 = 208,996,119.71 : x
  2. Step 2: Convert to fraction form
    675,287,534.04/1,012,982,387.29 = 208,996,119.71/x
  3. Step 3: Cross multiply
    675,287,534.04x = 1,012,982,387.29 × 208,996,119.71
  4. Step 4: Simplify right side
    675,287,534.04x = 211,709,388,276,080,224
  5. Step 5: Solve for x
    x = 211,709,388,276,080,224/675,287,534.04
  6. Step 6: Final answer
    x = 313,509,990.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.