Home / 317,779,621.60-476,669,432.40-188,785,112.80

Finding the Fourth Proportional to 317,779,621.60, 476,669,432.40 and 188,785,112.80

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Solution

The fourth proportional to 317,779,621.60, 476,669,432.40 and 188,785,112.80 is: 283,177,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,779,621.60 : 476,669,432.40 = 188,785,112.80 : x
  2. Step 2: Convert to fraction form
    317,779,621.60/476,669,432.40 = 188,785,112.80/x
  3. Step 3: Cross multiply
    317,779,621.60x = 476,669,432.40 × 188,785,112.80
  4. Step 4: Simplify right side
    317,779,621.60x = 89,988,092,563,945,968
  5. Step 5: Solve for x
    x = 89,988,092,563,945,968/317,779,621.60
  6. Step 6: Final answer
    x = 283,177,669.20

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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.