Home / 303,363,820.20-455,045,730.30-300,340,511.40

Finding the Fourth Proportional to 303,363,820.20, 455,045,730.30 and 300,340,511.40

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Solution

The fourth proportional to 303,363,820.20, 455,045,730.30 and 300,340,511.40 is: 450,510,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,363,820.20 : 455,045,730.30 = 300,340,511.40 : x
  2. Step 2: Convert to fraction form
    303,363,820.20/455,045,730.30 = 300,340,511.40/x
  3. Step 3: Cross multiply
    303,363,820.20x = 455,045,730.30 × 300,340,511.40
  4. Step 4: Simplify right side
    303,363,820.20x = 136,668,667,348,688,464
  5. Step 5: Solve for x
    x = 136,668,667,348,688,464/303,363,820.20
  6. Step 6: Final answer
    x = 450,510,767.10

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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.