Home / 915,404,308,030.40-1,373,106,462,045.60-278,691,648,375.20

Finding the Fourth Proportional to 915,404,308,030.40, 1,373,106,462,045.60 and 278,691,648,375.20

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Solution

The fourth proportional to 915,404,308,030.40, 1,373,106,462,045.60 and 278,691,648,375.20 is: 418,037,472,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,404,308,030.40 : 1,373,106,462,045.60 = 278,691,648,375.20 : x
  2. Step 2: Convert to fraction form
    915,404,308,030.40/1,373,106,462,045.60 = 278,691,648,375.20/x
  3. Step 3: Cross multiply
    915,404,308,030.40x = 1,373,106,462,045.60 × 278,691,648,375.20
  4. Step 4: Simplify right side
    915,404,308,030.40x = 382,673,303,302,127,333,933,056
  5. Step 5: Solve for x
    x = 382,673,303,302,127,333,933,056/915,404,308,030.40
  6. Step 6: Final answer
    x = 418,037,472,562.80

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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.