Home / 367,488,015.20-551,232,022.80-316,427,688.80

Finding the Fourth Proportional to 367,488,015.20, 551,232,022.80 and 316,427,688.80

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Solution

The fourth proportional to 367,488,015.20, 551,232,022.80 and 316,427,688.80 is: 474,641,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,488,015.20 : 551,232,022.80 = 316,427,688.80 : x
  2. Step 2: Convert to fraction form
    367,488,015.20/551,232,022.80 = 316,427,688.80/x
  3. Step 3: Cross multiply
    367,488,015.20x = 551,232,022.80 × 316,427,688.80
  4. Step 4: Simplify right side
    367,488,015.20x = 174,425,074,967,152,896
  5. Step 5: Solve for x
    x = 174,425,074,967,152,896/367,488,015.20
  6. Step 6: Final answer
    x = 474,641,533.20

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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.