Home / 480,740,410.80-721,866,443.40-276,667,066.80

Finding the Fourth Proportional to 480,740,410.80, 721,866,443.40 and 276,667,066.80

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Solution

The fourth proportional to 480,740,410.80, 721,866,443.40 and 276,667,066.80 is: 415,435,580.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,740,410.80 : 721,866,443.40 = 276,667,066.80 : x
  2. Step 2: Convert to fraction form
    480,740,410.80/721,866,443.40 = 276,667,066.80/x
  3. Step 3: Cross multiply
    480,740,410.80x = 721,866,443.40 × 276,667,066.80
  4. Step 4: Simplify right side
    480,740,410.80x = 199,716,671,516,826,208
  5. Step 5: Solve for x
    x = 199,716,671,516,826,208/480,740,410.80
  6. Step 6: Final answer
    x = 415,435,580.26

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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.