Home / 386,875,244.40-580,312,866.60-364,704,313.20

Finding the Fourth Proportional to 386,875,244.40, 580,312,866.60 and 364,704,313.20

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Solution

The fourth proportional to 386,875,244.40, 580,312,866.60 and 364,704,313.20 is: 547,056,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,875,244.40 : 580,312,866.60 = 364,704,313.20 : x
  2. Step 2: Convert to fraction form
    386,875,244.40/580,312,866.60 = 364,704,313.20/x
  3. Step 3: Cross multiply
    386,875,244.40x = 580,312,866.60 × 364,704,313.20
  4. Step 4: Simplify right side
    386,875,244.40x = 211,642,605,454,476,224
  5. Step 5: Solve for x
    x = 211,642,605,454,476,224/386,875,244.40
  6. Step 6: Final answer
    x = 547,056,469.80

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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.