Home / 429,801,914.20-644,839,158.66-153,447,202.84

Finding the Fourth Proportional to 429,801,914.20, 644,839,158.66 and 153,447,202.84

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Solution

The fourth proportional to 429,801,914.20, 644,839,158.66 and 153,447,202.84 is: 230,219,461.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,801,914.20 : 644,839,158.66 = 153,447,202.84 : x
  2. Step 2: Convert to fraction form
    429,801,914.20/644,839,158.66 = 153,447,202.84/x
  3. Step 3: Cross multiply
    429,801,914.20x = 644,839,158.66 × 153,447,202.84
  4. Step 4: Simplify right side
    429,801,914.20x = 98,948,765,178,075,952
  5. Step 5: Solve for x
    x = 98,948,765,178,075,952/429,801,914.20
  6. Step 6: Final answer
    x = 230,219,461.36

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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.