Home / 468,849,912-647,012,884.32-262,817,016

Finding the Fourth Proportional to 468,849,912, 647,012,884.32 and 262,817,016

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Solution

The fourth proportional to 468,849,912, 647,012,884.32 and 262,817,016 is: 362,687,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,849,912 : 647,012,884.32 = 262,817,016 : x
  2. Step 2: Convert to fraction form
    468,849,912/647,012,884.32 = 262,817,016/x
  3. Step 3: Cross multiply
    468,849,912x = 647,012,884.32 × 262,817,016
  4. Step 4: Simplify right side
    468,849,912x = 170,045,995,570,535,616
  5. Step 5: Solve for x
    x = 170,045,995,570,535,616/468,849,912
  6. Step 6: Final answer
    x = 362,687,485.31

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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.