Home / 1,206,354,852.32-1,664,904,498.40-730,307,516.32

Finding the Fourth Proportional to 1,206,354,852.32, 1,664,904,498.40 and 730,307,516.32

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Solution

The fourth proportional to 1,206,354,852.32, 1,664,904,498.40 and 730,307,516.32 is: 1,007,905,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,354,852.32 : 1,664,904,498.40 = 730,307,516.32 : x
  2. Step 2: Convert to fraction form
    1,206,354,852.32/1,664,904,498.40 = 730,307,516.32/x
  3. Step 3: Cross multiply
    1,206,354,852.32x = 1,664,904,498.40 × 730,307,516.32
  4. Step 4: Simplify right side
    1,206,354,852.32x = 1,215,892,269,136,499,456
  5. Step 5: Solve for x
    x = 1,215,892,269,136,499,456/1,206,354,852.32
  6. Step 6: Final answer
    x = 1,007,905,979.57

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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.