Home / 1,134,945,421.32-1,702,490,055.12-479,774,342.28

Finding the Fourth Proportional to 1,134,945,421.32, 1,702,490,055.12 and 479,774,342.28

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Solution

The fourth proportional to 1,134,945,421.32, 1,702,490,055.12 and 479,774,342.28 is: 719,691,917.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,945,421.32 : 1,702,490,055.12 = 479,774,342.28 : x
  2. Step 2: Convert to fraction form
    1,134,945,421.32/1,702,490,055.12 = 479,774,342.28/x
  3. Step 3: Cross multiply
    1,134,945,421.32x = 1,702,490,055.12 × 479,774,342.28
  4. Step 4: Simplify right side
    1,134,945,421.32x = 816,811,046,433,438,848
  5. Step 5: Solve for x
    x = 816,811,046,433,438,848/1,134,945,421.32
  6. Step 6: Final answer
    x = 719,691,917.42

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Double scale
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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.