Home / 777,061,910.76-1,072,406,565.54-442,548,577.32

Finding the Fourth Proportional to 777,061,910.76, 1,072,406,565.54 and 442,548,577.32

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Solution

The fourth proportional to 777,061,910.76, 1,072,406,565.54 and 442,548,577.32 is: 610,751,850.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,061,910.76 : 1,072,406,565.54 = 442,548,577.32 : x
  2. Step 2: Convert to fraction form
    777,061,910.76/1,072,406,565.54 = 442,548,577.32/x
  3. Step 3: Cross multiply
    777,061,910.76x = 1,072,406,565.54 × 442,548,577.32
  4. Step 4: Simplify right side
    777,061,910.76x = 474,591,999,888,354,304
  5. Step 5: Solve for x
    x = 474,591,999,888,354,304/777,061,910.76
  6. Step 6: Final answer
    x = 610,751,850.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.