Home / 459,760,949.60-689,977,347.60-323,712,053.60

Finding the Fourth Proportional to 459,760,949.60, 689,977,347.60 and 323,712,053.60

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Solution

The fourth proportional to 459,760,949.60, 689,977,347.60 and 323,712,053.60 is: 485,804,599.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,760,949.60 : 689,977,347.60 = 323,712,053.60 : x
  2. Step 2: Convert to fraction form
    459,760,949.60/689,977,347.60 = 323,712,053.60/x
  3. Step 3: Cross multiply
    459,760,949.60x = 689,977,347.60 × 323,712,053.60
  4. Step 4: Simplify right side
    459,760,949.60x = 223,353,984,129,077,056
  5. Step 5: Solve for x
    x = 223,353,984,129,077,056/459,760,949.60
  6. Step 6: Final answer
    x = 485,804,599.81

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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.