Home / 356,336,543.40-534,504,815.10-298,940,915.40

Finding the Fourth Proportional to 356,336,543.40, 534,504,815.10 and 298,940,915.40

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Solution

The fourth proportional to 356,336,543.40, 534,504,815.10 and 298,940,915.40 is: 448,411,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,336,543.40 : 534,504,815.10 = 298,940,915.40 : x
  2. Step 2: Convert to fraction form
    356,336,543.40/534,504,815.10 = 298,940,915.40/x
  3. Step 3: Cross multiply
    356,336,543.40x = 534,504,815.10 × 298,940,915.40
  4. Step 4: Simplify right side
    356,336,543.40x = 159,785,358,711,701,728
  5. Step 5: Solve for x
    x = 159,785,358,711,701,728/356,336,543.40
  6. Step 6: Final answer
    x = 448,411,373.10

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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.