Home / 556,657,828.80-834,986,743.20-338,979,595.20

Finding the Fourth Proportional to 556,657,828.80, 834,986,743.20 and 338,979,595.20

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Solution

The fourth proportional to 556,657,828.80, 834,986,743.20 and 338,979,595.20 is: 508,469,392.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,657,828.80 : 834,986,743.20 = 338,979,595.20 : x
  2. Step 2: Convert to fraction form
    556,657,828.80/834,986,743.20 = 338,979,595.20/x
  3. Step 3: Cross multiply
    556,657,828.80x = 834,986,743.20 × 338,979,595.20
  4. Step 4: Simplify right side
    556,657,828.80x = 283,043,468,207,302,368
  5. Step 5: Solve for x
    x = 283,043,468,207,302,368/556,657,828.80
  6. Step 6: Final answer
    x = 508,469,392.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.