Home / 672,346,533.71-927,839,454.62-375,007,941.09

Finding the Fourth Proportional to 672,346,533.71, 927,839,454.62 and 375,007,941.09

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Solution

The fourth proportional to 672,346,533.71, 927,839,454.62 and 375,007,941.09 is: 517,511,649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,346,533.71 : 927,839,454.62 = 375,007,941.09 : x
  2. Step 2: Convert to fraction form
    672,346,533.71/927,839,454.62 = 375,007,941.09/x
  3. Step 3: Cross multiply
    672,346,533.71x = 927,839,454.62 × 375,007,941.09
  4. Step 4: Simplify right side
    672,346,533.71x = 347,947,163,537,239,616
  5. Step 5: Solve for x
    x = 347,947,163,537,239,616/672,346,533.71
  6. Step 6: Final answer
    x = 517,511,649.26

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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.