Home / 338,257,864.80-507,386,797.20-239,622,415.20

Finding the Fourth Proportional to 338,257,864.80, 507,386,797.20 and 239,622,415.20

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Solution

The fourth proportional to 338,257,864.80, 507,386,797.20 and 239,622,415.20 is: 359,433,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,257,864.80 : 507,386,797.20 = 239,622,415.20 : x
  2. Step 2: Convert to fraction form
    338,257,864.80/507,386,797.20 = 239,622,415.20/x
  3. Step 3: Cross multiply
    338,257,864.80x = 507,386,797.20 × 239,622,415.20
  4. Step 4: Simplify right side
    338,257,864.80x = 121,581,249,785,656,592
  5. Step 5: Solve for x
    x = 121,581,249,785,656,592/338,257,864.80
  6. Step 6: Final answer
    x = 359,433,622.80

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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.