Home / 459,760,929.60-689,977,317.60-323,712,033.60

Finding the Fourth Proportional to 459,760,929.60, 689,977,317.60 and 323,712,033.60

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Solution

The fourth proportional to 459,760,929.60, 689,977,317.60 and 323,712,033.60 is: 485,804,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,760,929.60 : 689,977,317.60 = 323,712,033.60 : x
  2. Step 2: Convert to fraction form
    459,760,929.60/689,977,317.60 = 323,712,033.60/x
  3. Step 3: Cross multiply
    459,760,929.60x = 689,977,317.60 × 323,712,033.60
  4. Step 4: Simplify right side
    459,760,929.60x = 223,353,960,618,169,088
  5. Step 5: Solve for x
    x = 223,353,960,618,169,088/459,760,929.60
  6. Step 6: Final answer
    x = 485,804,569.81

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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.