Home / 475,415,656.80-713,123,485.20-130,404,159.60

Finding the Fourth Proportional to 475,415,656.80, 713,123,485.20 and 130,404,159.60

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Solution

The fourth proportional to 475,415,656.80, 713,123,485.20 and 130,404,159.60 is: 195,606,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,415,656.80 : 713,123,485.20 = 130,404,159.60 : x
  2. Step 2: Convert to fraction form
    475,415,656.80/713,123,485.20 = 130,404,159.60/x
  3. Step 3: Cross multiply
    475,415,656.80x = 713,123,485.20 × 130,404,159.60
  4. Step 4: Simplify right side
    475,415,656.80x = 92,994,268,778,529,040
  5. Step 5: Solve for x
    x = 92,994,268,778,529,040/475,415,656.80
  6. Step 6: Final answer
    x = 195,606,239.40

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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.