Home / 577,335,418.79-796,728,798.57-313,017,923.03

Finding the Fourth Proportional to 577,335,418.79, 796,728,798.57 and 313,017,923.03

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Solution

The fourth proportional to 577,335,418.79, 796,728,798.57 and 313,017,923.03 is: 431,967,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,335,418.79 : 796,728,798.57 = 313,017,923.03 : x
  2. Step 2: Convert to fraction form
    577,335,418.79/796,728,798.57 = 313,017,923.03/x
  3. Step 3: Cross multiply
    577,335,418.79x = 796,728,798.57 × 313,017,923.03
  4. Step 4: Simplify right side
    577,335,418.79x = 249,390,393,742,584,992
  5. Step 5: Solve for x
    x = 249,390,393,742,584,992/577,335,418.79
  6. Step 6: Final answer
    x = 431,967,943.81

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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.