Home / 557,230,036.58-768,931,742.30-328,048,434.48

Finding the Fourth Proportional to 557,230,036.58, 768,931,742.30 and 328,048,434.48

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Solution

The fourth proportional to 557,230,036.58, 768,931,742.30 and 328,048,434.48 is: 452,679,930.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,230,036.58 : 768,931,742.30 = 328,048,434.48 : x
  2. Step 2: Convert to fraction form
    557,230,036.58/768,931,742.30 = 328,048,434.48/x
  3. Step 3: Cross multiply
    557,230,036.58x = 768,931,742.30 × 328,048,434.48
  4. Step 4: Simplify right side
    557,230,036.58x = 252,246,854,283,493,792
  5. Step 5: Solve for x
    x = 252,246,854,283,493,792/557,230,036.58
  6. Step 6: Final answer
    x = 452,679,930.59

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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.