Home / 696,805,129,594.05-961,463,428,243.85-388,148,807,470.69

Finding the Fourth Proportional to 696,805,129,594.05, 961,463,428,243.85 and 388,148,807,470.69

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Solution

The fourth proportional to 696,805,129,594.05, 961,463,428,243.85 and 388,148,807,470.69 is: 535,574,247,734.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,805,129,594.05 : 961,463,428,243.85 = 388,148,807,470.69 : x
  2. Step 2: Convert to fraction form
    696,805,129,594.05/961,463,428,243.85 = 388,148,807,470.69/x
  3. Step 3: Cross multiply
    696,805,129,594.05x = 961,463,428,243.85 × 388,148,807,470.69
  4. Step 4: Simplify right side
    696,805,129,594.05x = 373,190,883,099,531,706,105,856
  5. Step 5: Solve for x
    x = 373,190,883,099,531,706,105,856/696,805,129,594.05
  6. Step 6: Final answer
    x = 535,574,247,734.01

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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.