Home / 1,015,456,664.45-1,401,331,845.47-563,334,643.47

Finding the Fourth Proportional to 1,015,456,664.45, 1,401,331,845.47 and 563,334,643.47

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Solution

The fourth proportional to 1,015,456,664.45, 1,401,331,845.47 and 563,334,643.47 is: 777,402,722.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,456,664.45 : 1,401,331,845.47 = 563,334,643.47 : x
  2. Step 2: Convert to fraction form
    1,015,456,664.45/1,401,331,845.47 = 563,334,643.47/x
  3. Step 3: Cross multiply
    1,015,456,664.45x = 1,401,331,845.47 × 563,334,643.47
  4. Step 4: Simplify right side
    1,015,456,664.45x = 789,418,775,548,182,912
  5. Step 5: Solve for x
    x = 789,418,775,548,182,912/1,015,456,664.45
  6. Step 6: Final answer
    x = 777,402,722.53

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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.