Home / 445,360,897.02-668,019,617.04-165,296,305.86

Finding the Fourth Proportional to 445,360,897.02, 668,019,617.04 and 165,296,305.86

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Solution

The fourth proportional to 445,360,897.02, 668,019,617.04 and 165,296,305.86 is: 247,936,394.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,360,897.02 : 668,019,617.04 = 165,296,305.86 : x
  2. Step 2: Convert to fraction form
    445,360,897.02/668,019,617.04 = 165,296,305.86/x
  3. Step 3: Cross multiply
    445,360,897.02x = 668,019,617.04 × 165,296,305.86
  4. Step 4: Simplify right side
    445,360,897.02x = 110,421,174,938,723,904
  5. Step 5: Solve for x
    x = 110,421,174,938,723,904/445,360,897.02
  6. Step 6: Final answer
    x = 247,936,394.23

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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.