Home / 505,323,602.90-757,985,404.35-308,903,009.30

Finding the Fourth Proportional to 505,323,602.90, 757,985,404.35 and 308,903,009.30

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Solution

The fourth proportional to 505,323,602.90, 757,985,404.35 and 308,903,009.30 is: 463,354,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,323,602.90 : 757,985,404.35 = 308,903,009.30 : x
  2. Step 2: Convert to fraction form
    505,323,602.90/757,985,404.35 = 308,903,009.30/x
  3. Step 3: Cross multiply
    505,323,602.90x = 757,985,404.35 × 308,903,009.30
  4. Step 4: Simplify right side
    505,323,602.90x = 234,143,972,409,192,320
  5. Step 5: Solve for x
    x = 234,143,972,409,192,320/505,323,602.90
  6. Step 6: Final answer
    x = 463,354,513.95

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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.