Home / 437,453,321.60-656,179,982.40-430,650,876.80

Finding the Fourth Proportional to 437,453,321.60, 656,179,982.40 and 430,650,876.80

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Solution

The fourth proportional to 437,453,321.60, 656,179,982.40 and 430,650,876.80 is: 645,976,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,453,321.60 : 656,179,982.40 = 430,650,876.80 : x
  2. Step 2: Convert to fraction form
    437,453,321.60/656,179,982.40 = 430,650,876.80/x
  3. Step 3: Cross multiply
    437,453,321.60x = 656,179,982.40 × 430,650,876.80
  4. Step 4: Simplify right side
    437,453,321.60x = 282,584,484,759,168,576
  5. Step 5: Solve for x
    x = 282,584,484,759,168,576/437,453,321.60
  6. Step 6: Final answer
    x = 645,976,315.20

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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.