Home / 718,792,663.71-1,075,352,133.36-544,418,015.07

Finding the Fourth Proportional to 718,792,663.71, 1,075,352,133.36 and 544,418,015.07

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Solution

The fourth proportional to 718,792,663.71, 1,075,352,133.36 and 544,418,015.07 is: 814,478,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,792,663.71 : 1,075,352,133.36 = 544,418,015.07 : x
  2. Step 2: Convert to fraction form
    718,792,663.71/1,075,352,133.36 = 544,418,015.07/x
  3. Step 3: Cross multiply
    718,792,663.71x = 1,075,352,133.36 × 544,418,015.07
  4. Step 4: Simplify right side
    718,792,663.71x = 585,441,073,945,141,120
  5. Step 5: Solve for x
    x = 585,441,073,945,141,120/718,792,663.71
  6. Step 6: Final answer
    x = 814,478,365.60

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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.