Home / 511,702,003,389.84-767,600,190,022.26-167,104,811,972.43

Finding the Fourth Proportional to 511,702,003,389.84, 767,600,190,022.26 and 167,104,811,972.43

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Solution

The fourth proportional to 511,702,003,389.84, 767,600,190,022.26 and 167,104,811,972.43 is: 250,672,626,985.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,702,003,389.84 : 767,600,190,022.26 = 167,104,811,972.43 : x
  2. Step 2: Convert to fraction form
    511,702,003,389.84/767,600,190,022.26 = 167,104,811,972.43/x
  3. Step 3: Cross multiply
    511,702,003,389.84x = 767,600,190,022.26 × 167,104,811,972.43
  4. Step 4: Simplify right side
    511,702,003,389.84x = 128,269,685,423,671,290,626,048
  5. Step 5: Solve for x
    x = 128,269,685,423,671,290,626,048/511,702,003,389.84
  6. Step 6: Final answer
    x = 250,672,626,985.89

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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.