Home / 623,536,006.40-935,511,725.76-209,053,841.60

Finding the Fourth Proportional to 623,536,006.40, 935,511,725.76 and 209,053,841.60

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Solution

The fourth proportional to 623,536,006.40, 935,511,725.76 and 209,053,841.60 is: 313,650,403.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,536,006.40 : 935,511,725.76 = 209,053,841.60 : x
  2. Step 2: Convert to fraction form
    623,536,006.40/935,511,725.76 = 209,053,841.60/x
  3. Step 3: Cross multiply
    623,536,006.40x = 935,511,725.76 × 209,053,841.60
  4. Step 4: Simplify right side
    623,536,006.40x = 195,572,320,131,973,664
  5. Step 5: Solve for x
    x = 195,572,320,131,973,664/623,536,006.40
  6. Step 6: Final answer
    x = 313,650,403.71

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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.