Home / 459,736,427.10-689,940,563.85-323,687,531.10

Finding the Fourth Proportional to 459,736,427.10, 689,940,563.85 and 323,687,531.10

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Solution

The fourth proportional to 459,736,427.10, 689,940,563.85 and 323,687,531.10 is: 485,767,810.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,736,427.10 : 689,940,563.85 = 323,687,531.10 : x
  2. Step 2: Convert to fraction form
    459,736,427.10/689,940,563.85 = 323,687,531.10/x
  3. Step 3: Cross multiply
    459,736,427.10x = 689,940,563.85 × 323,687,531.10
  4. Step 4: Simplify right side
    459,736,427.10x = 223,325,157,718,348,448
  5. Step 5: Solve for x
    x = 223,325,157,718,348,448/459,736,427.10
  6. Step 6: Final answer
    x = 485,767,810.76

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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.