Home / 470,004,292.46-648,620,523.35-258,307,281.74

Finding the Fourth Proportional to 470,004,292.46, 648,620,523.35 and 258,307,281.74

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Solution

The fourth proportional to 470,004,292.46, 648,620,523.35 and 258,307,281.74 is: 356,472,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,004,292.46 : 648,620,523.35 = 258,307,281.74 : x
  2. Step 2: Convert to fraction form
    470,004,292.46/648,620,523.35 = 258,307,281.74/x
  3. Step 3: Cross multiply
    470,004,292.46x = 648,620,523.35 × 258,307,281.74
  4. Step 4: Simplify right side
    470,004,292.46x = 167,543,404,267,314,720
  5. Step 5: Solve for x
    x = 167,543,404,267,314,720/470,004,292.46
  6. Step 6: Final answer
    x = 356,472,072.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.