Home / 1,177,529,619.68-1,625,001,621.72-648,912,572.48

Finding the Fourth Proportional to 1,177,529,619.68, 1,625,001,621.72 and 648,912,572.48

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Solution

The fourth proportional to 1,177,529,619.68, 1,625,001,621.72 and 648,912,572.48 is: 895,505,272.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,529,619.68 : 1,625,001,621.72 = 648,912,572.48 : x
  2. Step 2: Convert to fraction form
    1,177,529,619.68/1,625,001,621.72 = 648,912,572.48/x
  3. Step 3: Cross multiply
    1,177,529,619.68x = 1,625,001,621.72 × 648,912,572.48
  4. Step 4: Simplify right side
    1,177,529,619.68x = 1,054,483,982,634,497,152
  5. Step 5: Solve for x
    x = 1,054,483,982,634,497,152/1,177,529,619.68
  6. Step 6: Final answer
    x = 895,505,272.23

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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.