Home / 612,931,639.49-845,863,530.87-334,491,099.15

Finding the Fourth Proportional to 612,931,639.49, 845,863,530.87 and 334,491,099.15

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Solution

The fourth proportional to 612,931,639.49, 845,863,530.87 and 334,491,099.15 is: 461,607,468.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,931,639.49 : 845,863,530.87 = 334,491,099.15 : x
  2. Step 2: Convert to fraction form
    612,931,639.49/845,863,530.87 = 334,491,099.15/x
  3. Step 3: Cross multiply
    612,931,639.49x = 845,863,530.87 × 334,491,099.15
  4. Step 4: Simplify right side
    612,931,639.49x = 282,933,822,176,032,576
  5. Step 5: Solve for x
    x = 282,933,822,176,032,576/612,931,639.49
  6. Step 6: Final answer
    x = 461,607,468.02

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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.