Home / 416,101,129.63-574,001,852.42-257,280,485.03

Finding the Fourth Proportional to 416,101,129.63, 574,001,852.42 and 257,280,485.03

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Solution

The fourth proportional to 416,101,129.63, 574,001,852.42 and 257,280,485.03 is: 354,912,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,101,129.63 : 574,001,852.42 = 257,280,485.03 : x
  2. Step 2: Convert to fraction form
    416,101,129.63/574,001,852.42 = 257,280,485.03/x
  3. Step 3: Cross multiply
    416,101,129.63x = 574,001,852.42 × 257,280,485.03
  4. Step 4: Simplify right side
    416,101,129.63x = 147,679,475,001,887,680
  5. Step 5: Solve for x
    x = 147,679,475,001,887,680/416,101,129.63
  6. Step 6: Final answer
    x = 354,912,458.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.