Home / 334,868,659-462,116,329.12-186,188,628.40

Finding the Fourth Proportional to 334,868,659, 462,116,329.12 and 186,188,628.40

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Solution

The fourth proportional to 334,868,659, 462,116,329.12 and 186,188,628.40 is: 256,938,961.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,868,659 : 462,116,329.12 = 186,188,628.40 : x
  2. Step 2: Convert to fraction form
    334,868,659/462,116,329.12 = 186,188,628.40/x
  3. Step 3: Cross multiply
    334,868,659x = 462,116,329.12 × 186,188,628.40
  4. Step 4: Simplify right side
    334,868,659x = 86,040,805,480,095,776
  5. Step 5: Solve for x
    x = 86,040,805,480,095,776/334,868,659
  6. Step 6: Final answer
    x = 256,938,961.49

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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.