Home / 531,442,610.40-797,163,915.60-148,490,162.40

Finding the Fourth Proportional to 531,442,610.40, 797,163,915.60 and 148,490,162.40

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Solution

The fourth proportional to 531,442,610.40, 797,163,915.60 and 148,490,162.40 is: 222,735,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,442,610.40 : 797,163,915.60 = 148,490,162.40 : x
  2. Step 2: Convert to fraction form
    531,442,610.40/797,163,915.60 = 148,490,162.40/x
  3. Step 3: Cross multiply
    531,442,610.40x = 797,163,915.60 × 148,490,162.40
  4. Step 4: Simplify right side
    531,442,610.40x = 118,370,999,286,863,904
  5. Step 5: Solve for x
    x = 118,370,999,286,863,904/531,442,610.40
  6. Step 6: Final answer
    x = 222,735,243.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.