Home / 777,716,041.20-1,166,574,061.80-317,501,257.20

Finding the Fourth Proportional to 777,716,041.20, 1,166,574,061.80 and 317,501,257.20

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Solution

The fourth proportional to 777,716,041.20, 1,166,574,061.80 and 317,501,257.20 is: 476,251,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,716,041.20 : 1,166,574,061.80 = 317,501,257.20 : x
  2. Step 2: Convert to fraction form
    777,716,041.20/1,166,574,061.80 = 317,501,257.20/x
  3. Step 3: Cross multiply
    777,716,041.20x = 1,166,574,061.80 × 317,501,257.20
  4. Step 4: Simplify right side
    777,716,041.20x = 370,388,731,238,410,496
  5. Step 5: Solve for x
    x = 370,388,731,238,410,496/777,716,041.20
  6. Step 6: Final answer
    x = 476,251,885.80

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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.