Home / 417,687,541.40-626,531,312.10-355,877,672.60

Finding the Fourth Proportional to 417,687,541.40, 626,531,312.10 and 355,877,672.60

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Solution

The fourth proportional to 417,687,541.40, 626,531,312.10 and 355,877,672.60 is: 533,816,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,687,541.40 : 626,531,312.10 = 355,877,672.60 : x
  2. Step 2: Convert to fraction form
    417,687,541.40/626,531,312.10 = 355,877,672.60/x
  3. Step 3: Cross multiply
    417,687,541.40x = 626,531,312.10 × 355,877,672.60
  4. Step 4: Simplify right side
    417,687,541.40x = 222,968,505,161,172,256
  5. Step 5: Solve for x
    x = 222,968,505,161,172,256/417,687,541.40
  6. Step 6: Final answer
    x = 533,816,508.90

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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.