Home / 452,551,746.60-678,827,619.90-161,747,231.40

Finding the Fourth Proportional to 452,551,746.60, 678,827,619.90 and 161,747,231.40

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Solution

The fourth proportional to 452,551,746.60, 678,827,619.90 and 161,747,231.40 is: 242,620,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,551,746.60 : 678,827,619.90 = 161,747,231.40 : x
  2. Step 2: Convert to fraction form
    452,551,746.60/678,827,619.90 = 161,747,231.40/x
  3. Step 3: Cross multiply
    452,551,746.60x = 678,827,619.90 × 161,747,231.40
  4. Step 4: Simplify right side
    452,551,746.60x = 109,798,488,116,676,544
  5. Step 5: Solve for x
    x = 109,798,488,116,676,544/452,551,746.60
  6. Step 6: Final answer
    x = 242,620,847.10

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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.