Home / 777,666,235.80-1,166,500,534.62-317,604,405.12

Finding the Fourth Proportional to 777,666,235.80, 1,166,500,534.62 and 317,604,405.12

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Solution

The fourth proportional to 777,666,235.80, 1,166,500,534.62 and 317,604,405.12 is: 476,407,089.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,666,235.80 : 1,166,500,534.62 = 317,604,405.12 : x
  2. Step 2: Convert to fraction form
    777,666,235.80/1,166,500,534.62 = 317,604,405.12/x
  3. Step 3: Cross multiply
    777,666,235.80x = 1,166,500,534.62 × 317,604,405.12
  4. Step 4: Simplify right side
    777,666,235.80x = 370,485,708,370,147,008
  5. Step 5: Solve for x
    x = 370,485,708,370,147,008/777,666,235.80
  6. Step 6: Final answer
    x = 476,407,089.98

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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.