Home / 914,213,575.45-1,261,572,509.15-517,739,402.17

Finding the Fourth Proportional to 914,213,575.45, 1,261,572,509.15 and 517,739,402.17

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Solution

The fourth proportional to 914,213,575.45, 1,261,572,509.15 and 517,739,402.17 is: 714,456,462.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,213,575.45 : 1,261,572,509.15 = 517,739,402.17 : x
  2. Step 2: Convert to fraction form
    914,213,575.45/1,261,572,509.15 = 517,739,402.17/x
  3. Step 3: Cross multiply
    914,213,575.45x = 1,261,572,509.15 × 517,739,402.17
  4. Step 4: Simplify right side
    914,213,575.45x = 653,165,796,682,370,816
  5. Step 5: Solve for x
    x = 653,165,796,682,370,816/914,213,575.45
  6. Step 6: Final answer
    x = 714,456,462.06

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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.