Home / 612,931,639.36-845,863,530.70-334,491,099.03

Finding the Fourth Proportional to 612,931,639.36, 845,863,530.70 and 334,491,099.03

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Solution

The fourth proportional to 612,931,639.36, 845,863,530.70 and 334,491,099.03 is: 461,607,467.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,931,639.36 : 845,863,530.70 = 334,491,099.03 : x
  2. Step 2: Convert to fraction form
    612,931,639.36/845,863,530.70 = 334,491,099.03/x
  3. Step 3: Cross multiply
    612,931,639.36x = 845,863,530.70 × 334,491,099.03
  4. Step 4: Simplify right side
    612,931,639.36x = 282,933,822,013,239,136
  5. Step 5: Solve for x
    x = 282,933,822,013,239,136/612,931,639.36
  6. Step 6: Final answer
    x = 461,607,467.86

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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.