Home / 356,318,634.40-534,477,951.60-298,923,006.40

Finding the Fourth Proportional to 356,318,634.40, 534,477,951.60 and 298,923,006.40

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Solution

The fourth proportional to 356,318,634.40, 534,477,951.60 and 298,923,006.40 is: 448,384,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,318,634.40 : 534,477,951.60 = 298,923,006.40 : x
  2. Step 2: Convert to fraction form
    356,318,634.40/534,477,951.60 = 298,923,006.40/x
  3. Step 3: Cross multiply
    356,318,634.40x = 534,477,951.60 × 298,923,006.40
  4. Step 4: Simplify right side
    356,318,634.40x = 159,767,756,146,785,696
  5. Step 5: Solve for x
    x = 159,767,756,146,785,696/356,318,634.40
  6. Step 6: Final answer
    x = 448,384,509.60

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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.