Home / 369,866,396.31-510,222,114.23-228,692,488.83

Finding the Fourth Proportional to 369,866,396.31, 510,222,114.23 and 228,692,488.83

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Solution

The fourth proportional to 369,866,396.31, 510,222,114.23 and 228,692,488.83 is: 315,475,983.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,866,396.31 : 510,222,114.23 = 228,692,488.83 : x
  2. Step 2: Convert to fraction form
    369,866,396.31/510,222,114.23 = 228,692,488.83/x
  3. Step 3: Cross multiply
    369,866,396.31x = 510,222,114.23 × 228,692,488.83
  4. Step 4: Simplify right side
    369,866,396.31x = 116,683,965,158,219,808
  5. Step 5: Solve for x
    x = 116,683,965,158,219,808/369,866,396.31
  6. Step 6: Final answer
    x = 315,475,983.55

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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.