Home / 398,581,746.30-597,872,619.45-111,367,410.30

Finding the Fourth Proportional to 398,581,746.30, 597,872,619.45 and 111,367,410.30

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Solution

The fourth proportional to 398,581,746.30, 597,872,619.45 and 111,367,410.30 is: 167,051,115.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,581,746.30 : 597,872,619.45 = 111,367,410.30 : x
  2. Step 2: Convert to fraction form
    398,581,746.30/597,872,619.45 = 111,367,410.30/x
  3. Step 3: Cross multiply
    398,581,746.30x = 597,872,619.45 × 111,367,410.30
  4. Step 4: Simplify right side
    398,581,746.30x = 66,583,525,317,423,912
  5. Step 5: Solve for x
    x = 66,583,525,317,423,912/398,581,746.30
  6. Step 6: Final answer
    x = 167,051,115.45

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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.