Home / 413,725,899.86-620,402,095.04-118,553,505.56

Finding the Fourth Proportional to 413,725,899.86, 620,402,095.04 and 118,553,505.56

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Solution

The fourth proportional to 413,725,899.86, 620,402,095.04 and 118,553,505.56 is: 177,776,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,725,899.86 : 620,402,095.04 = 118,553,505.56 : x
  2. Step 2: Convert to fraction form
    413,725,899.86/620,402,095.04 = 118,553,505.56/x
  3. Step 3: Cross multiply
    413,725,899.86x = 620,402,095.04 × 118,553,505.56
  4. Step 4: Simplify right side
    413,725,899.86x = 73,550,843,223,760,288
  5. Step 5: Solve for x
    x = 73,550,843,223,760,288/413,725,899.86
  6. Step 6: Final answer
    x = 177,776,743.61

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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.