Home / 323,713,954.56-485,913,156.48-316,403,424

Finding the Fourth Proportional to 323,713,954.56, 485,913,156.48 and 316,403,424

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Solution

The fourth proportional to 323,713,954.56, 485,913,156.48 and 316,403,424 is: 474,939,632.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,713,954.56 : 485,913,156.48 = 316,403,424 : x
  2. Step 2: Convert to fraction form
    323,713,954.56/485,913,156.48 = 316,403,424/x
  3. Step 3: Cross multiply
    323,713,954.56x = 485,913,156.48 × 316,403,424
  4. Step 4: Simplify right side
    323,713,954.56x = 153,744,586,476,919,808
  5. Step 5: Solve for x
    x = 153,744,586,476,919,808/323,713,954.56
  6. Step 6: Final answer
    x = 474,939,632.08

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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.