Home / 434,336,921.80-651,505,382.70-262,008,320.20

Finding the Fourth Proportional to 434,336,921.80, 651,505,382.70 and 262,008,320.20

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Solution

The fourth proportional to 434,336,921.80, 651,505,382.70 and 262,008,320.20 is: 393,012,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,336,921.80 : 651,505,382.70 = 262,008,320.20 : x
  2. Step 2: Convert to fraction form
    434,336,921.80/651,505,382.70 = 262,008,320.20/x
  3. Step 3: Cross multiply
    434,336,921.80x = 651,505,382.70 × 262,008,320.20
  4. Step 4: Simplify right side
    434,336,921.80x = 170,699,830,922,485,152
  5. Step 5: Solve for x
    x = 170,699,830,922,485,152/434,336,921.80
  6. Step 6: Final answer
    x = 393,012,480.30

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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.