Home / 718,792,656.71-1,075,352,122.88-544,418,008.07

Finding the Fourth Proportional to 718,792,656.71, 1,075,352,122.88 and 544,418,008.07

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Solution

The fourth proportional to 718,792,656.71, 1,075,352,122.88 and 544,418,008.07 is: 814,478,355.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,792,656.71 : 1,075,352,122.88 = 544,418,008.07 : x
  2. Step 2: Convert to fraction form
    718,792,656.71/1,075,352,122.88 = 544,418,008.07/x
  3. Step 3: Cross multiply
    718,792,656.71x = 1,075,352,122.88 × 544,418,008.07
  4. Step 4: Simplify right side
    718,792,656.71x = 585,441,060,709,453,440
  5. Step 5: Solve for x
    x = 585,441,060,709,453,440/718,792,656.71
  6. Step 6: Final answer
    x = 814,478,355.12

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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.