Home / 1,120,462,325.47-1,680,400,134.35-333,303,891.98

Finding the Fourth Proportional to 1,120,462,325.47, 1,680,400,134.35 and 333,303,891.98

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Solution

The fourth proportional to 1,120,462,325.47, 1,680,400,134.35 and 333,303,891.98 is: 499,868,574.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,462,325.47 : 1,680,400,134.35 = 333,303,891.98 : x
  2. Step 2: Convert to fraction form
    1,120,462,325.47/1,680,400,134.35 = 333,303,891.98/x
  3. Step 3: Cross multiply
    1,120,462,325.47x = 1,680,400,134.35 × 333,303,891.98
  4. Step 4: Simplify right side
    1,120,462,325.47x = 560,083,904,860,903,424
  5. Step 5: Solve for x
    x = 560,083,904,860,903,424/1,120,462,325.47
  6. Step 6: Final answer
    x = 499,868,574.01

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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.