Home / 300,860,176.82-415,011,143.31-189,174,197.00

Finding the Fourth Proportional to 300,860,176.82, 415,011,143.31 and 189,174,197.00

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Solution

The fourth proportional to 300,860,176.82, 415,011,143.31 and 189,174,197.00 is: 260,949,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,860,176.82 : 415,011,143.31 = 189,174,197.00 : x
  2. Step 2: Convert to fraction form
    300,860,176.82/415,011,143.31 = 189,174,197.00/x
  3. Step 3: Cross multiply
    300,860,176.82x = 415,011,143.31 × 189,174,197.00
  4. Step 4: Simplify right side
    300,860,176.82x = 78,509,399,779,646,112
  5. Step 5: Solve for x
    x = 78,509,399,779,646,112/300,860,176.82
  6. Step 6: Final answer
    x = 260,949,789.40

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1.5x scale

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.