Home / 760,404,672,015.70-1,140,607,008,023.50-637,669,861,100.55

Finding the Fourth Proportional to 760,404,672,015.70, 1,140,607,008,023.50 and 637,669,861,100.55

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Solution

The fourth proportional to 760,404,672,015.70, 1,140,607,008,023.50 and 637,669,861,100.55 is: 956,504,791,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,404,672,015.70 : 1,140,607,008,023.50 = 637,669,861,100.55 : x
  2. Step 2: Convert to fraction form
    760,404,672,015.70/1,140,607,008,023.50 = 637,669,861,100.55/x
  3. Step 3: Cross multiply
    760,404,672,015.70x = 1,140,607,008,023.50 × 637,669,861,100.55
  4. Step 4: Simplify right side
    760,404,672,015.70x = 727,330,712,376,659,247,366,144
  5. Step 5: Solve for x
    x = 727,330,712,376,659,247,366,144/760,404,672,015.70
  6. Step 6: Final answer
    x = 956,504,791,650.78

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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.