Home / 915,404,308,030.90-1,373,106,462,046.40-278,691,648,375.70

Finding the Fourth Proportional to 915,404,308,030.90, 1,373,106,462,046.40 and 278,691,648,375.70

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Solution

The fourth proportional to 915,404,308,030.90, 1,373,106,462,046.40 and 278,691,648,375.70 is: 418,037,472,563.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,404,308,030.90 : 1,373,106,462,046.40 = 278,691,648,375.70 : x
  2. Step 2: Convert to fraction form
    915,404,308,030.90/1,373,106,462,046.40 = 278,691,648,375.70/x
  3. Step 3: Cross multiply
    915,404,308,030.90x = 1,373,106,462,046.40 × 278,691,648,375.70
  4. Step 4: Simplify right side
    915,404,308,030.90x = 382,673,303,303,036,726,149,120
  5. Step 5: Solve for x
    x = 382,673,303,303,036,726,149,120/915,404,308,030.90
  6. Step 6: Final answer
    x = 418,037,472,563.57

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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.