Home / 672,346,528.34-927,839,447.20-375,007,935.72

Finding the Fourth Proportional to 672,346,528.34, 927,839,447.20 and 375,007,935.72

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Solution

The fourth proportional to 672,346,528.34, 927,839,447.20 and 375,007,935.72 is: 517,511,641.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,346,528.34 : 927,839,447.20 = 375,007,935.72 : x
  2. Step 2: Convert to fraction form
    672,346,528.34/927,839,447.20 = 375,007,935.72/x
  3. Step 3: Cross multiply
    672,346,528.34x = 927,839,447.20 × 375,007,935.72
  4. Step 4: Simplify right side
    672,346,528.34x = 347,947,155,768,481,216
  5. Step 5: Solve for x
    x = 347,947,155,768,481,216/672,346,528.34
  6. Step 6: Final answer
    x = 517,511,641.84

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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.