Home / 664,380,039.40-996,570,059.10-626,116,287.40

Finding the Fourth Proportional to 664,380,039.40, 996,570,059.10 and 626,116,287.40

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Solution

The fourth proportional to 664,380,039.40, 996,570,059.10 and 626,116,287.40 is: 939,174,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,380,039.40 : 996,570,059.10 = 626,116,287.40 : x
  2. Step 2: Convert to fraction form
    664,380,039.40/996,570,059.10 = 626,116,287.40/x
  3. Step 3: Cross multiply
    664,380,039.40x = 996,570,059.10 × 626,116,287.40
  4. Step 4: Simplify right side
    664,380,039.40x = 623,968,745,537,690,624
  5. Step 5: Solve for x
    x = 623,968,745,537,690,624/664,380,039.40
  6. Step 6: Final answer
    x = 939,174,431.10

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Similar ratio
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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.