Home / 936,967,365.10-1,293,015,086.40-519,306,614.74

Finding the Fourth Proportional to 936,967,365.10, 1,293,015,086.40 and 519,306,614.74

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Solution

The fourth proportional to 936,967,365.10, 1,293,015,086.40 and 519,306,614.74 is: 716,643,196.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,967,365.10 : 1,293,015,086.40 = 519,306,614.74 : x
  2. Step 2: Convert to fraction form
    936,967,365.10/1,293,015,086.40 = 519,306,614.74/x
  3. Step 3: Cross multiply
    936,967,365.10x = 1,293,015,086.40 × 519,306,614.74
  4. Step 4: Simplify right side
    936,967,365.10x = 671,471,287,326,132,736
  5. Step 5: Solve for x
    x = 671,471,287,326,132,736/936,967,365.10
  6. Step 6: Final answer
    x = 716,643,196.27

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1.5x scale

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.