Home / 575,210,010.30-862,815,015.45-479,550,630.30

Finding the Fourth Proportional to 575,210,010.30, 862,815,015.45 and 479,550,630.30

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Solution

The fourth proportional to 575,210,010.30, 862,815,015.45 and 479,550,630.30 is: 719,325,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,210,010.30 : 862,815,015.45 = 479,550,630.30 : x
  2. Step 2: Convert to fraction form
    575,210,010.30/862,815,015.45 = 479,550,630.30/x
  3. Step 3: Cross multiply
    575,210,010.30x = 862,815,015.45 × 479,550,630.30
  4. Step 4: Simplify right side
    575,210,010.30x = 413,763,484,491,351,744
  5. Step 5: Solve for x
    x = 413,763,484,491,351,744/575,210,010.30
  6. Step 6: Final answer
    x = 719,325,945.45

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Double scale
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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.