Home / 528,084,109.80-792,126,164.70-480,466,996.20

Finding the Fourth Proportional to 528,084,109.80, 792,126,164.70 and 480,466,996.20

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Solution

The fourth proportional to 528,084,109.80, 792,126,164.70 and 480,466,996.20 is: 720,700,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,084,109.80 : 792,126,164.70 = 480,466,996.20 : x
  2. Step 2: Convert to fraction form
    528,084,109.80/792,126,164.70 = 480,466,996.20/x
  3. Step 3: Cross multiply
    528,084,109.80x = 792,126,164.70 × 480,466,996.20
  4. Step 4: Simplify right side
    528,084,109.80x = 380,590,478,964,835,456
  5. Step 5: Solve for x
    x = 380,590,478,964,835,456/528,084,109.80
  6. Step 6: Final answer
    x = 720,700,494.30

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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.