Home / 331,728,533,999.70-497,592,800,999.55-322,430,442,263.70

Finding the Fourth Proportional to 331,728,533,999.70, 497,592,800,999.55 and 322,430,442,263.70

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Solution

The fourth proportional to 331,728,533,999.70, 497,592,800,999.55 and 322,430,442,263.70 is: 483,645,663,395.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,728,533,999.70 : 497,592,800,999.55 = 322,430,442,263.70 : x
  2. Step 2: Convert to fraction form
    331,728,533,999.70/497,592,800,999.55 = 322,430,442,263.70/x
  3. Step 3: Cross multiply
    331,728,533,999.70x = 497,592,800,999.55 × 322,430,442,263.70
  4. Step 4: Simplify right side
    331,728,533,999.70x = 160,439,066,893,518,156,857,344
  5. Step 5: Solve for x
    x = 160,439,066,893,518,156,857,344/331,728,533,999.70
  6. Step 6: Final answer
    x = 483,645,663,395.55

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1.5x scale

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.