Home / 577,172,845.47-796,477,180.23-312,849,163.35

Finding the Fourth Proportional to 577,172,845.47, 796,477,180.23 and 312,849,163.35

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Solution

The fourth proportional to 577,172,845.47, 796,477,180.23 and 312,849,163.35 is: 431,720,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,172,845.47 : 796,477,180.23 = 312,849,163.35 : x
  2. Step 2: Convert to fraction form
    577,172,845.47/796,477,180.23 = 312,849,163.35/x
  3. Step 3: Cross multiply
    577,172,845.47x = 796,477,180.23 × 312,849,163.35
  4. Step 4: Simplify right side
    577,172,845.47x = 249,177,219,462,322,688
  5. Step 5: Solve for x
    x = 249,177,219,462,322,688/577,172,845.47
  6. Step 6: Final answer
    x = 431,720,274.82

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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.