Home / 718,792,661.22-1,075,352,129.60-544,418,012.58

Finding the Fourth Proportional to 718,792,661.22, 1,075,352,129.60 and 544,418,012.58

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Solution

The fourth proportional to 718,792,661.22, 1,075,352,129.60 and 544,418,012.58 is: 814,478,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,792,661.22 : 1,075,352,129.60 = 544,418,012.58 : x
  2. Step 2: Convert to fraction form
    718,792,661.22/1,075,352,129.60 = 544,418,012.58/x
  3. Step 3: Cross multiply
    718,792,661.22x = 1,075,352,129.60 × 544,418,012.58
  4. Step 4: Simplify right side
    718,792,661.22x = 585,441,069,220,502,528
  5. Step 5: Solve for x
    x = 585,441,069,220,502,528/718,792,661.22
  6. Step 6: Final answer
    x = 814,478,361.85

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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.