Home / 323,755,619.40-485,633,429.10-267,068,579.40

Finding the Fourth Proportional to 323,755,619.40, 485,633,429.10 and 267,068,579.40

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Solution

The fourth proportional to 323,755,619.40, 485,633,429.10 and 267,068,579.40 is: 400,602,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,755,619.40 : 485,633,429.10 = 267,068,579.40 : x
  2. Step 2: Convert to fraction form
    323,755,619.40/485,633,429.10 = 267,068,579.40/x
  3. Step 3: Cross multiply
    323,755,619.40x = 485,633,429.10 × 267,068,579.40
  4. Step 4: Simplify right side
    323,755,619.40x = 129,697,430,018,887,632
  5. Step 5: Solve for x
    x = 129,697,430,018,887,632/323,755,619.40
  6. Step 6: Final answer
    x = 400,602,869.10

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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.