Home / 323,411,048.80-485,116,573.20-177,788,341.60

Finding the Fourth Proportional to 323,411,048.80, 485,116,573.20 and 177,788,341.60

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Solution

The fourth proportional to 323,411,048.80, 485,116,573.20 and 177,788,341.60 is: 266,682,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,411,048.80 : 485,116,573.20 = 177,788,341.60 : x
  2. Step 2: Convert to fraction form
    323,411,048.80/485,116,573.20 = 177,788,341.60/x
  3. Step 3: Cross multiply
    323,411,048.80x = 485,116,573.20 × 177,788,341.60
  4. Step 4: Simplify right side
    323,411,048.80x = 86,248,071,031,903,008
  5. Step 5: Solve for x
    x = 86,248,071,031,903,008/323,411,048.80
  6. Step 6: Final answer
    x = 266,682,512.40

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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.