Home / 718,792,656.21-1,075,352,122.13-544,418,007.57

Finding the Fourth Proportional to 718,792,656.21, 1,075,352,122.13 and 544,418,007.57

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Solution

The fourth proportional to 718,792,656.21, 1,075,352,122.13 and 544,418,007.57 is: 814,478,354.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,792,656.21 : 1,075,352,122.13 = 544,418,007.57 : x
  2. Step 2: Convert to fraction form
    718,792,656.21/1,075,352,122.13 = 544,418,007.57/x
  3. Step 3: Cross multiply
    718,792,656.21x = 1,075,352,122.13 × 544,418,007.57
  4. Step 4: Simplify right side
    718,792,656.21x = 585,441,059,763,463,808
  5. Step 5: Solve for x
    x = 585,441,059,763,463,808/718,792,656.21
  6. Step 6: Final answer
    x = 814,478,354.37

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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.