Home / 525,453,760.26-725,005,920.78-313,719,457.32

Finding the Fourth Proportional to 525,453,760.26, 725,005,920.78 and 313,719,457.32

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Solution

The fourth proportional to 525,453,760.26, 725,005,920.78 and 313,719,457.32 is: 432,861,045.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,453,760.26 : 725,005,920.78 = 313,719,457.32 : x
  2. Step 2: Convert to fraction form
    525,453,760.26/725,005,920.78 = 313,719,457.32/x
  3. Step 3: Cross multiply
    525,453,760.26x = 725,005,920.78 × 313,719,457.32
  4. Step 4: Simplify right side
    525,453,760.26x = 227,448,464,020,888,512
  5. Step 5: Solve for x
    x = 227,448,464,020,888,512/525,453,760.26
  6. Step 6: Final answer
    x = 432,861,045.49

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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.