Home / 369,805,755.52-510,322,175.04-211,033,032.76

Finding the Fourth Proportional to 369,805,755.52, 510,322,175.04 and 211,033,032.76

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Solution

The fourth proportional to 369,805,755.52, 510,322,175.04 and 211,033,032.76 is: 291,220,011.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,805,755.52 : 510,322,175.04 = 211,033,032.76 : x
  2. Step 2: Convert to fraction form
    369,805,755.52/510,322,175.04 = 211,033,032.76/x
  3. Step 3: Cross multiply
    369,805,755.52x = 510,322,175.04 × 211,033,032.76
  4. Step 4: Simplify right side
    369,805,755.52x = 107,694,836,283,370,768
  5. Step 5: Solve for x
    x = 107,694,836,283,370,768/369,805,755.52
  6. Step 6: Final answer
    x = 291,220,011.25

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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.