Home / 612,931,715.76-845,863,632-334,491,175.20

Finding the Fourth Proportional to 612,931,715.76, 845,863,632 and 334,491,175.20

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Solution

The fourth proportional to 612,931,715.76, 845,863,632 and 334,491,175.20 is: 461,607,570.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,931,715.76 : 845,863,632 = 334,491,175.20 : x
  2. Step 2: Convert to fraction form
    612,931,715.76/845,863,632 = 334,491,175.20/x
  3. Step 3: Cross multiply
    612,931,715.76x = 845,863,632 × 334,491,175.20
  4. Step 4: Simplify right side
    612,931,715.76x = 282,933,920,326,620,320
  5. Step 5: Solve for x
    x = 282,933,920,326,620,320/612,931,715.76
  6. Step 6: Final answer
    x = 461,607,570.72

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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.