Home / 868,659,852.71-1,301,899,224.75-469,802,521.13

Finding the Fourth Proportional to 868,659,852.71, 1,301,899,224.75 and 469,802,521.13

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Solution

The fourth proportional to 868,659,852.71, 1,301,899,224.75 and 469,802,521.13 is: 704,113,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,659,852.71 : 1,301,899,224.75 = 469,802,521.13 : x
  2. Step 2: Convert to fraction form
    868,659,852.71/1,301,899,224.75 = 469,802,521.13/x
  3. Step 3: Cross multiply
    868,659,852.71x = 1,301,899,224.75 × 469,802,521.13
  4. Step 4: Simplify right side
    868,659,852.71x = 611,635,538,039,125,632
  5. Step 5: Solve for x
    x = 611,635,538,039,125,632/868,659,852.71
  6. Step 6: Final answer
    x = 704,113,970.65

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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.