Home / 577,172,853.48-796,477,191.26-312,849,171.36

Finding the Fourth Proportional to 577,172,853.48, 796,477,191.26 and 312,849,171.36

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Solution

The fourth proportional to 577,172,853.48, 796,477,191.26 and 312,849,171.36 is: 431,720,285.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,172,853.48 : 796,477,191.26 = 312,849,171.36 : x
  2. Step 2: Convert to fraction form
    577,172,853.48/796,477,191.26 = 312,849,171.36/x
  3. Step 3: Cross multiply
    577,172,853.48x = 796,477,191.26 × 312,849,171.36
  4. Step 4: Simplify right side
    577,172,853.48x = 249,177,229,292,831,232
  5. Step 5: Solve for x
    x = 249,177,229,292,831,232/577,172,853.48
  6. Step 6: Final answer
    x = 431,720,285.86

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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.