Home / 925,287,277.12-1,276,888,884.81-501,899,878.50

Finding the Fourth Proportional to 925,287,277.12, 1,276,888,884.81 and 501,899,878.50

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Solution

The fourth proportional to 925,287,277.12, 1,276,888,884.81 and 501,899,878.50 is: 692,617,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,287,277.12 : 1,276,888,884.81 = 501,899,878.50 : x
  2. Step 2: Convert to fraction form
    925,287,277.12/1,276,888,884.81 = 501,899,878.50/x
  3. Step 3: Cross multiply
    925,287,277.12x = 1,276,888,884.81 × 501,899,878.50
  4. Step 4: Simplify right side
    925,287,277.12x = 640,870,376,137,494,016
  5. Step 5: Solve for x
    x = 640,870,376,137,494,016/925,287,277.12
  6. Step 6: Final answer
    x = 692,617,732.88

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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.