Home / 528,142,571.80-792,209,921.10-159,676,811.80

Finding the Fourth Proportional to 528,142,571.80, 792,209,921.10 and 159,676,811.80

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Solution

The fourth proportional to 528,142,571.80, 792,209,921.10 and 159,676,811.80 is: 239,514,027.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,142,571.80 : 792,209,921.10 = 159,676,811.80 : x
  2. Step 2: Convert to fraction form
    528,142,571.80/792,209,921.10 = 159,676,811.80/x
  3. Step 3: Cross multiply
    528,142,571.80x = 792,209,921.10 × 159,676,811.80
  4. Step 4: Simplify right side
    528,142,571.80x = 126,497,554,477,577,568
  5. Step 5: Solve for x
    x = 126,497,554,477,577,568/528,142,571.80
  6. Step 6: Final answer
    x = 239,514,027.52

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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.