Home / 487,007,053.41-730,510,829.24-118,542,068.43

Finding the Fourth Proportional to 487,007,053.41, 730,510,829.24 and 118,542,068.43

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Solution

The fourth proportional to 487,007,053.41, 730,510,829.24 and 118,542,068.43 is: 177,813,163.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,007,053.41 : 730,510,829.24 = 118,542,068.43 : x
  2. Step 2: Convert to fraction form
    487,007,053.41/730,510,829.24 = 118,542,068.43/x
  3. Step 3: Cross multiply
    487,007,053.41x = 730,510,829.24 × 118,542,068.43
  4. Step 4: Simplify right side
    487,007,053.41x = 86,596,264,708,031,424
  5. Step 5: Solve for x
    x = 86,596,264,708,031,424/487,007,053.41
  6. Step 6: Final answer
    x = 177,813,163.28

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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.