Home / 612,931,646.21-845,863,535.90-334,491,105.47

Finding the Fourth Proportional to 612,931,646.21, 845,863,535.90 and 334,491,105.47

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Solution

The fourth proportional to 612,931,646.21, 845,863,535.90 and 334,491,105.47 is: 461,607,474.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,931,646.21 : 845,863,535.90 = 334,491,105.47 : x
  2. Step 2: Convert to fraction form
    612,931,646.21/845,863,535.90 = 334,491,105.47/x
  3. Step 3: Cross multiply
    612,931,646.21x = 845,863,535.90 × 334,491,105.47
  4. Step 4: Simplify right side
    612,931,646.21x = 282,933,829,196,560,928
  5. Step 5: Solve for x
    x = 282,933,829,196,560,928/612,931,646.21
  6. Step 6: Final answer
    x = 461,607,474.42

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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.