Home / 1,235,218,617.88-1,852,887,515.34-406,153,905.46

Finding the Fourth Proportional to 1,235,218,617.88, 1,852,887,515.34 and 406,153,905.46

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Solution

The fourth proportional to 1,235,218,617.88, 1,852,887,515.34 and 406,153,905.46 is: 609,250,451.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,218,617.88 : 1,852,887,515.34 = 406,153,905.46 : x
  2. Step 2: Convert to fraction form
    1,235,218,617.88/1,852,887,515.34 = 406,153,905.46/x
  3. Step 3: Cross multiply
    1,235,218,617.88x = 1,852,887,515.34 × 406,153,905.46
  4. Step 4: Simplify right side
    1,235,218,617.88x = 752,557,500,733,416,576
  5. Step 5: Solve for x
    x = 752,557,500,733,416,576/1,235,218,617.88
  6. Step 6: Final answer
    x = 609,250,451.57

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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.