Home / 612,931,885.40-845,863,870.42-334,491,344.60

Finding the Fourth Proportional to 612,931,885.40, 845,863,870.42 and 334,491,344.60

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Solution

The fourth proportional to 612,931,885.40, 845,863,870.42 and 334,491,344.60 is: 461,607,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,931,885.40 : 845,863,870.42 = 334,491,344.60 : x
  2. Step 2: Convert to fraction form
    612,931,885.40/845,863,870.42 = 334,491,344.60/x
  3. Step 3: Cross multiply
    612,931,885.40x = 845,863,870.42 × 334,491,344.60
  4. Step 4: Simplify right side
    612,931,885.40x = 282,934,143,365,345,984
  5. Step 5: Solve for x
    x = 282,934,143,365,345,984/612,931,885.40
  6. Step 6: Final answer
    x = 461,607,806.85

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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.