Home / 370,758,515.40-556,137,773.10-207,499,840.20

Finding the Fourth Proportional to 370,758,515.40, 556,137,773.10 and 207,499,840.20

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Solution

The fourth proportional to 370,758,515.40, 556,137,773.10 and 207,499,840.20 is: 311,249,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,758,515.40 : 556,137,773.10 = 207,499,840.20 : x
  2. Step 2: Convert to fraction form
    370,758,515.40/556,137,773.10 = 207,499,840.20/x
  3. Step 3: Cross multiply
    370,758,515.40x = 556,137,773.10 × 207,499,840.20
  4. Step 4: Simplify right side
    370,758,515.40x = 115,398,499,047,433,856
  5. Step 5: Solve for x
    x = 115,398,499,047,433,856/370,758,515.40
  6. Step 6: Final answer
    x = 311,249,760.30

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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.