Home / 810,044,419.23-1,117,855,347.12-457,614,005.67

Finding the Fourth Proportional to 810,044,419.23, 1,117,855,347.12 and 457,614,005.67

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Solution

The fourth proportional to 810,044,419.23, 1,117,855,347.12 and 457,614,005.67 is: 631,503,965.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,044,419.23 : 1,117,855,347.12 = 457,614,005.67 : x
  2. Step 2: Convert to fraction form
    810,044,419.23/1,117,855,347.12 = 457,614,005.67/x
  3. Step 3: Cross multiply
    810,044,419.23x = 1,117,855,347.12 × 457,614,005.67
  4. Step 4: Simplify right side
    810,044,419.23x = 511,546,263,155,211,456
  5. Step 5: Solve for x
    x = 511,546,263,155,211,456/810,044,419.23
  6. Step 6: Final answer
    x = 631,503,965.72

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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.