Home / 429,403,177.80-644,104,766.70-362,890,384.20

Finding the Fourth Proportional to 429,403,177.80, 644,104,766.70 and 362,890,384.20

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Solution

The fourth proportional to 429,403,177.80, 644,104,766.70 and 362,890,384.20 is: 544,335,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,403,177.80 : 644,104,766.70 = 362,890,384.20 : x
  2. Step 2: Convert to fraction form
    429,403,177.80/644,104,766.70 = 362,890,384.20/x
  3. Step 3: Cross multiply
    429,403,177.80x = 644,104,766.70 × 362,890,384.20
  4. Step 4: Simplify right side
    429,403,177.80x = 233,739,426,252,814,368
  5. Step 5: Solve for x
    x = 233,739,426,252,814,368/429,403,177.80
  6. Step 6: Final answer
    x = 544,335,576.30

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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.