Home / 961,121,816,743.14-1,326,349,088,696.90-521,659,291,560.14

Finding the Fourth Proportional to 961,121,816,743.14, 1,326,349,088,696.90 and 521,659,291,560.14

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Solution

The fourth proportional to 961,121,816,743.14, 1,326,349,088,696.90 and 521,659,291,560.14 is: 719,890,355,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,121,816,743.14 : 1,326,349,088,696.90 = 521,659,291,560.14 : x
  2. Step 2: Convert to fraction form
    961,121,816,743.14/1,326,349,088,696.90 = 521,659,291,560.14/x
  3. Step 3: Cross multiply
    961,121,816,743.14x = 1,326,349,088,696.90 × 521,659,291,560.14
  4. Step 4: Simplify right side
    961,121,816,743.14x = 691,902,325,971,062,104,260,608
  5. Step 5: Solve for x
    x = 691,902,325,971,062,104,260,608/961,121,816,743.14
  6. Step 6: Final answer
    x = 719,890,355,122.36

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Double scale
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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.