Home / 1,060,138,019.79-1,590,379,428.51-313,229,580.75

Finding the Fourth Proportional to 1,060,138,019.79, 1,590,379,428.51 and 313,229,580.75

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Solution

The fourth proportional to 1,060,138,019.79, 1,590,379,428.51 and 313,229,580.75 is: 469,895,308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060,138,019.79 : 1,590,379,428.51 = 313,229,580.75 : x
  2. Step 2: Convert to fraction form
    1,060,138,019.79/1,590,379,428.51 = 313,229,580.75/x
  3. Step 3: Cross multiply
    1,060,138,019.79x = 1,590,379,428.51 × 313,229,580.75
  4. Step 4: Simplify right side
    1,060,138,019.79x = 498,153,881,625,611,904
  5. Step 5: Solve for x
    x = 498,153,881,625,611,904/1,060,138,019.79
  6. Step 6: Final answer
    x = 469,895,308.28

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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.