Home / 343,359,009.30-515,038,513.95-329,966,696.10

Finding the Fourth Proportional to 343,359,009.30, 515,038,513.95 and 329,966,696.10

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Solution

The fourth proportional to 343,359,009.30, 515,038,513.95 and 329,966,696.10 is: 494,950,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,359,009.30 : 515,038,513.95 = 329,966,696.10 : x
  2. Step 2: Convert to fraction form
    343,359,009.30/515,038,513.95 = 329,966,696.10/x
  3. Step 3: Cross multiply
    343,359,009.30x = 515,038,513.95 × 329,966,696.10
  4. Step 4: Simplify right side
    343,359,009.30x = 169,945,556,812,335,264
  5. Step 5: Solve for x
    x = 169,945,556,812,335,264/343,359,009.30
  6. Step 6: Final answer
    x = 494,950,044.15

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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.