Home / 761,119,811,003.98-1,050,372,955,511-436,021,934,201.38

Finding the Fourth Proportional to 761,119,811,003.98, 1,050,372,955,511 and 436,021,934,201.38

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Solution

The fourth proportional to 761,119,811,003.98, 1,050,372,955,511 and 436,021,934,201.38 is: 601,726,089,734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,119,811,003.98 : 1,050,372,955,511 = 436,021,934,201.38 : x
  2. Step 2: Convert to fraction form
    761,119,811,003.98/1,050,372,955,511 = 436,021,934,201.38/x
  3. Step 3: Cross multiply
    761,119,811,003.98x = 1,050,372,955,511 × 436,021,934,201.38
  4. Step 4: Simplify right side
    761,119,811,003.98x = 457,985,647,694,726,310,133,760
  5. Step 5: Solve for x
    x = 457,985,647,694,726,310,133,760/761,119,811,003.98
  6. Step 6: Final answer
    x = 601,726,089,734.29

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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.