Home / 459,760,904.10-689,977,279.35-323,712,008.10

Finding the Fourth Proportional to 459,760,904.10, 689,977,279.35 and 323,712,008.10

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Solution

The fourth proportional to 459,760,904.10, 689,977,279.35 and 323,712,008.10 is: 485,804,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,760,904.10 : 689,977,279.35 = 323,712,008.10 : x
  2. Step 2: Convert to fraction form
    459,760,904.10/689,977,279.35 = 323,712,008.10/x
  3. Step 3: Cross multiply
    459,760,904.10x = 689,977,279.35 × 323,712,008.10
  4. Step 4: Simplify right side
    459,760,904.10x = 223,353,930,641,763,200
  5. Step 5: Solve for x
    x = 223,353,930,641,763,200/459,760,904.10
  6. Step 6: Final answer
    x = 485,804,531.55

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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.