Home / 313,920,064.20-470,964,077.10-223,220,800.20

Finding the Fourth Proportional to 313,920,064.20, 470,964,077.10 and 223,220,800.20

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Solution

The fourth proportional to 313,920,064.20, 470,964,077.10 and 223,220,800.20 is: 334,890,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,920,064.20 : 470,964,077.10 = 223,220,800.20 : x
  2. Step 2: Convert to fraction form
    313,920,064.20/470,964,077.10 = 223,220,800.20/x
  3. Step 3: Cross multiply
    313,920,064.20x = 470,964,077.10 × 223,220,800.20
  4. Step 4: Simplify right side
    313,920,064.20x = 105,128,978,155,716,496
  5. Step 5: Solve for x
    x = 105,128,978,155,716,496/313,920,064.20
  6. Step 6: Final answer
    x = 334,890,916.97

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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.