Home / 338,256,048.40-507,384,072.60-176,676,989.20

Finding the Fourth Proportional to 338,256,048.40, 507,384,072.60 and 176,676,989.20

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Solution

The fourth proportional to 338,256,048.40, 507,384,072.60 and 176,676,989.20 is: 265,015,483.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,256,048.40 : 507,384,072.60 = 176,676,989.20 : x
  2. Step 2: Convert to fraction form
    338,256,048.40/507,384,072.60 = 176,676,989.20/x
  3. Step 3: Cross multiply
    338,256,048.40x = 507,384,072.60 × 176,676,989.20
  4. Step 4: Simplify right side
    338,256,048.40x = 89,643,090,315,002,208
  5. Step 5: Solve for x
    x = 89,643,090,315,002,208/338,256,048.40
  6. Step 6: Final answer
    x = 265,015,483.80

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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.