Home / 1,539,339,072.30-2,308,775,307.80-418,950,037.78

Finding the Fourth Proportional to 1,539,339,072.30, 2,308,775,307.80 and 418,950,037.78

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Solution

The fourth proportional to 1,539,339,072.30, 2,308,775,307.80 and 418,950,037.78 is: 628,361,561.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,339,072.30 : 2,308,775,307.80 = 418,950,037.78 : x
  2. Step 2: Convert to fraction form
    1,539,339,072.30/2,308,775,307.80 = 418,950,037.78/x
  3. Step 3: Cross multiply
    1,539,339,072.30x = 2,308,775,307.80 × 418,950,037.78
  4. Step 4: Simplify right side
    1,539,339,072.30x = 967,261,502,428,341,120
  5. Step 5: Solve for x
    x = 967,261,502,428,341,120/1,539,339,072.30
  6. Step 6: Final answer
    x = 628,361,561.03

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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.