Home / 462,388,959.78-693,097,923.51-155,574,554.82

Finding the Fourth Proportional to 462,388,959.78, 693,097,923.51 and 155,574,554.82

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Solution

The fourth proportional to 462,388,959.78, 693,097,923.51 and 155,574,554.82 is: 233,198,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,388,959.78 : 693,097,923.51 = 155,574,554.82 : x
  2. Step 2: Convert to fraction form
    462,388,959.78/693,097,923.51 = 155,574,554.82/x
  3. Step 3: Cross multiply
    462,388,959.78x = 693,097,923.51 × 155,574,554.82
  4. Step 4: Simplify right side
    462,388,959.78x = 107,828,400,896,734,656
  5. Step 5: Solve for x
    x = 107,828,400,896,734,656/462,388,959.78
  6. Step 6: Final answer
    x = 233,198,476.34

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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.