Home / 452,439,959.14-678,658,935.30-120,447,050.68

Finding the Fourth Proportional to 452,439,959.14, 678,658,935.30 and 120,447,050.68

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Solution

The fourth proportional to 452,439,959.14, 678,658,935.30 and 120,447,050.68 is: 180,670,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,439,959.14 : 678,658,935.30 = 120,447,050.68 : x
  2. Step 2: Convert to fraction form
    452,439,959.14/678,658,935.30 = 120,447,050.68/x
  3. Step 3: Cross multiply
    452,439,959.14x = 678,658,935.30 × 120,447,050.68
  4. Step 4: Simplify right side
    452,439,959.14x = 81,742,467,174,513,936
  5. Step 5: Solve for x
    x = 81,742,467,174,513,936/452,439,959.14
  6. Step 6: Final answer
    x = 180,670,308.90

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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.