Home / 291,033,511.20-435,487,384.80-214,506,007.20

Finding the Fourth Proportional to 291,033,511.20, 435,487,384.80 and 214,506,007.20

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Solution

The fourth proportional to 291,033,511.20, 435,487,384.80 and 214,506,007.20 is: 320,975,614.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,033,511.20 : 435,487,384.80 = 214,506,007.20 : x
  2. Step 2: Convert to fraction form
    291,033,511.20/435,487,384.80 = 214,506,007.20/x
  3. Step 3: Cross multiply
    291,033,511.20x = 435,487,384.80 × 214,506,007.20
  4. Step 4: Simplify right side
    291,033,511.20x = 93,414,660,099,417,968
  5. Step 5: Solve for x
    x = 93,414,660,099,417,968/291,033,511.20
  6. Step 6: Final answer
    x = 320,975,614.51

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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.