Home / 459,760,903.10-689,977,277.85-323,712,007.10

Finding the Fourth Proportional to 459,760,903.10, 689,977,277.85 and 323,712,007.10

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Solution

The fourth proportional to 459,760,903.10, 689,977,277.85 and 323,712,007.10 is: 485,804,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,760,903.10 : 689,977,277.85 = 323,712,007.10 : x
  2. Step 2: Convert to fraction form
    459,760,903.10/689,977,277.85 = 323,712,007.10/x
  3. Step 3: Cross multiply
    459,760,903.10x = 689,977,277.85 × 323,712,007.10
  4. Step 4: Simplify right side
    459,760,903.10x = 223,353,929,466,217,888
  5. Step 5: Solve for x
    x = 223,353,929,466,217,888/459,760,903.10
  6. Step 6: Final answer
    x = 485,804,530.05

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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.