Home / 442,867,985.10-664,301,977.65-328,076,729.10

Finding the Fourth Proportional to 442,867,985.10, 664,301,977.65 and 328,076,729.10

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Solution

The fourth proportional to 442,867,985.10, 664,301,977.65 and 328,076,729.10 is: 492,115,093.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,867,985.10 : 664,301,977.65 = 328,076,729.10 : x
  2. Step 2: Convert to fraction form
    442,867,985.10/664,301,977.65 = 328,076,729.10/x
  3. Step 3: Cross multiply
    442,867,985.10x = 664,301,977.65 × 328,076,729.10
  4. Step 4: Simplify right side
    442,867,985.10x = 217,942,019,962,073,312
  5. Step 5: Solve for x
    x = 217,942,019,962,073,312/442,867,985.10
  6. Step 6: Final answer
    x = 492,115,093.65

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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.