Home / 1,031,543,135.44-1,423,516,173.92-561,639,066.64

Finding the Fourth Proportional to 1,031,543,135.44, 1,423,516,173.92 and 561,639,066.64

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Solution

The fourth proportional to 1,031,543,135.44, 1,423,516,173.92 and 561,639,066.64 is: 775,054,641.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,543,135.44 : 1,423,516,173.92 = 561,639,066.64 : x
  2. Step 2: Convert to fraction form
    1,031,543,135.44/1,423,516,173.92 = 561,639,066.64/x
  3. Step 3: Cross multiply
    1,031,543,135.44x = 1,423,516,173.92 × 561,639,066.64
  4. Step 4: Simplify right side
    1,031,543,135.44x = 799,502,295,267,372,672
  5. Step 5: Solve for x
    x = 799,502,295,267,372,672/1,031,543,135.44
  6. Step 6: Final answer
    x = 775,054,641.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.