Home / 629,856,917.40-944,785,376.10-384,968,904.60

Finding the Fourth Proportional to 629,856,917.40, 944,785,376.10 and 384,968,904.60

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Solution

The fourth proportional to 629,856,917.40, 944,785,376.10 and 384,968,904.60 is: 577,453,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,917.40 : 944,785,376.10 = 384,968,904.60 : x
  2. Step 2: Convert to fraction form
    629,856,917.40/944,785,376.10 = 384,968,904.60/x
  3. Step 3: Cross multiply
    629,856,917.40x = 944,785,376.10 × 384,968,904.60
  4. Step 4: Simplify right side
    629,856,917.40x = 363,712,991,319,316,032
  5. Step 5: Solve for x
    x = 363,712,991,319,316,032/629,856,917.40
  6. Step 6: Final answer
    x = 577,453,356.90

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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.