Home / 429,403,159.80-644,104,739.70-362,890,366.20

Finding the Fourth Proportional to 429,403,159.80, 644,104,739.70 and 362,890,366.20

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Solution

The fourth proportional to 429,403,159.80, 644,104,739.70 and 362,890,366.20 is: 544,335,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,403,159.80 : 644,104,739.70 = 362,890,366.20 : x
  2. Step 2: Convert to fraction form
    429,403,159.80/644,104,739.70 = 362,890,366.20/x
  3. Step 3: Cross multiply
    429,403,159.80x = 644,104,739.70 × 362,890,366.20
  4. Step 4: Simplify right side
    429,403,159.80x = 233,739,404,860,888,672
  5. Step 5: Solve for x
    x = 233,739,404,860,888,672/429,403,159.80
  6. Step 6: Final answer
    x = 544,335,549.30

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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.