Home / 889,688,763.88-1,334,755,428.72-627,884,495.62

Finding the Fourth Proportional to 889,688,763.88, 1,334,755,428.72 and 627,884,495.62

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Solution

The fourth proportional to 889,688,763.88, 1,334,755,428.72 and 627,884,495.62 is: 941,983,616.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,688,763.88 : 1,334,755,428.72 = 627,884,495.62 : x
  2. Step 2: Convert to fraction form
    889,688,763.88/1,334,755,428.72 = 627,884,495.62/x
  3. Step 3: Cross multiply
    889,688,763.88x = 1,334,755,428.72 × 627,884,495.62
  4. Step 4: Simplify right side
    889,688,763.88x = 838,072,239,137,914,112
  5. Step 5: Solve for x
    x = 838,072,239,137,914,112/889,688,763.88
  6. Step 6: Final answer
    x = 941,983,616.25

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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.