Home / 425,674,630.20-638,606,423.70-195,588,233.40

Finding the Fourth Proportional to 425,674,630.20, 638,606,423.70 and 195,588,233.40

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Solution

The fourth proportional to 425,674,630.20, 638,606,423.70 and 195,588,233.40 is: 293,425,760.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,674,630.20 : 638,606,423.70 = 195,588,233.40 : x
  2. Step 2: Convert to fraction form
    425,674,630.20/638,606,423.70 = 195,588,233.40/x
  3. Step 3: Cross multiply
    425,674,630.20x = 638,606,423.70 × 195,588,233.40
  4. Step 4: Simplify right side
    425,674,630.20x = 124,903,902,249,374,912
  5. Step 5: Solve for x
    x = 124,903,902,249,374,912/425,674,630.20
  6. Step 6: Final answer
    x = 293,425,760.87

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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.