Home / 528,083,459.80-792,125,189.70-480,466,346.20

Finding the Fourth Proportional to 528,083,459.80, 792,125,189.70 and 480,466,346.20

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Solution

The fourth proportional to 528,083,459.80, 792,125,189.70 and 480,466,346.20 is: 720,699,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,083,459.80 : 792,125,189.70 = 480,466,346.20 : x
  2. Step 2: Convert to fraction form
    528,083,459.80/792,125,189.70 = 480,466,346.20/x
  3. Step 3: Cross multiply
    528,083,459.80x = 792,125,189.70 × 480,466,346.20
  4. Step 4: Simplify right side
    528,083,459.80x = 380,589,495,628,140,864
  5. Step 5: Solve for x
    x = 380,589,495,628,140,864/528,083,459.80
  6. Step 6: Final answer
    x = 720,699,519.30

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Double scale
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Similar ratio
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1.5x scale

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.