Home / 528,118,768.80-792,174,216.60-159,653,008.80

Finding the Fourth Proportional to 528,118,768.80, 792,174,216.60 and 159,653,008.80

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Solution

The fourth proportional to 528,118,768.80, 792,174,216.60 and 159,653,008.80 is: 239,478,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,118,768.80 : 792,174,216.60 = 159,653,008.80 : x
  2. Step 2: Convert to fraction form
    528,118,768.80/792,174,216.60 = 159,653,008.80/x
  3. Step 3: Cross multiply
    528,118,768.80x = 792,174,216.60 × 159,653,008.80
  4. Step 4: Simplify right side
    528,118,768.80x = 126,472,997,173,972,912
  5. Step 5: Solve for x
    x = 126,472,997,173,972,912/528,118,768.80
  6. Step 6: Final answer
    x = 239,478,323.15

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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.