Home / 571,021,116.34-855,927,150.79-192,072,604.08

Finding the Fourth Proportional to 571,021,116.34, 855,927,150.79 and 192,072,604.08

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Solution

The fourth proportional to 571,021,116.34, 855,927,150.79 and 192,072,604.08 is: 287,905,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,021,116.34 : 855,927,150.79 = 192,072,604.08 : x
  2. Step 2: Convert to fraction form
    571,021,116.34/855,927,150.79 = 192,072,604.08/x
  3. Step 3: Cross multiply
    571,021,116.34x = 855,927,150.79 × 192,072,604.08
  4. Step 4: Simplify right side
    571,021,116.34x = 164,400,156,755,010,144
  5. Step 5: Solve for x
    x = 164,400,156,755,010,144/571,021,116.34
  6. Step 6: Final answer
    x = 287,905,564.35

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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.