Home / 743,474,578.32-1,115,064,900.96-706,604,207.76

Finding the Fourth Proportional to 743,474,578.32, 1,115,064,900.96 and 706,604,207.76

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Solution

The fourth proportional to 743,474,578.32, 1,115,064,900.96 and 706,604,207.76 is: 1,059,766,633.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,474,578.32 : 1,115,064,900.96 = 706,604,207.76 : x
  2. Step 2: Convert to fraction form
    743,474,578.32/1,115,064,900.96 = 706,604,207.76/x
  3. Step 3: Cross multiply
    743,474,578.32x = 1,115,064,900.96 × 706,604,207.76
  4. Step 4: Simplify right side
    743,474,578.32x = 787,909,550,943,823,616
  5. Step 5: Solve for x
    x = 787,909,550,943,823,616/743,474,578.32
  6. Step 6: Final answer
    x = 1,059,766,633.48

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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.