Home / 612,931,884.40-845,863,869.04-334,491,343.60

Finding the Fourth Proportional to 612,931,884.40, 845,863,869.04 and 334,491,343.60

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Solution

The fourth proportional to 612,931,884.40, 845,863,869.04 and 334,491,343.60 is: 461,607,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,931,884.40 : 845,863,869.04 = 334,491,343.60 : x
  2. Step 2: Convert to fraction form
    612,931,884.40/845,863,869.04 = 334,491,343.60/x
  3. Step 3: Cross multiply
    612,931,884.40x = 845,863,869.04 × 334,491,343.60
  4. Step 4: Simplify right side
    612,931,884.40x = 282,934,142,057,884,064
  5. Step 5: Solve for x
    x = 282,934,142,057,884,064/612,931,884.40
  6. Step 6: Final answer
    x = 461,607,805.47

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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.