Home / 401,245,207.80-601,867,811.70-353,893,814.70

Finding the Fourth Proportional to 401,245,207.80, 601,867,811.70 and 353,893,814.70

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Solution

The fourth proportional to 401,245,207.80, 601,867,811.70 and 353,893,814.70 is: 530,840,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,245,207.80 : 601,867,811.70 = 353,893,814.70 : x
  2. Step 2: Convert to fraction form
    401,245,207.80/601,867,811.70 = 353,893,814.70/x
  3. Step 3: Cross multiply
    401,245,207.80x = 601,867,811.70 × 353,893,814.70
  4. Step 4: Simplify right side
    401,245,207.80x = 212,997,295,827,654,304
  5. Step 5: Solve for x
    x = 212,997,295,827,654,304/401,245,207.80
  6. Step 6: Final answer
    x = 530,840,722.05

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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.