Home / 452,439,959.64-678,658,936.05-120,447,051.18

Finding the Fourth Proportional to 452,439,959.64, 678,658,936.05 and 120,447,051.18

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Solution

The fourth proportional to 452,439,959.64, 678,658,936.05 and 120,447,051.18 is: 180,670,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,439,959.64 : 678,658,936.05 = 120,447,051.18 : x
  2. Step 2: Convert to fraction form
    452,439,959.64/678,658,936.05 = 120,447,051.18/x
  3. Step 3: Cross multiply
    452,439,959.64x = 678,658,936.05 × 120,447,051.18
  4. Step 4: Simplify right side
    452,439,959.64x = 81,742,467,604,178,704
  5. Step 5: Solve for x
    x = 81,742,467,604,178,704/452,439,959.64
  6. Step 6: Final answer
    x = 180,670,309.65

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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.