Home / 479,287,214,505.80-661,416,712,606.04-259,557,612,284.08

Finding the Fourth Proportional to 479,287,214,505.80, 661,416,712,606.04 and 259,557,612,284.08

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Solution

The fourth proportional to 479,287,214,505.80, 661,416,712,606.04 and 259,557,612,284.08 is: 358,189,698,062.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,287,214,505.80 : 661,416,712,606.04 = 259,557,612,284.08 : x
  2. Step 2: Convert to fraction form
    479,287,214,505.80/661,416,712,606.04 = 259,557,612,284.08/x
  3. Step 3: Cross multiply
    479,287,214,505.80x = 661,416,712,606.04 × 259,557,612,284.08
  4. Step 4: Simplify right side
    479,287,214,505.80x = 171,675,742,648,809,287,581,696
  5. Step 5: Solve for x
    x = 171,675,742,648,809,287,581,696/479,287,214,505.80
  6. Step 6: Final answer
    x = 358,189,698,062.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.