Home / 900,580,945.31-1,349,112,133.62-620,412,370.55

Finding the Fourth Proportional to 900,580,945.31, 1,349,112,133.62 and 620,412,370.55

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Solution

The fourth proportional to 900,580,945.31, 1,349,112,133.62 and 620,412,370.55 is: 929,406,580.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,580,945.31 : 1,349,112,133.62 = 620,412,370.55 : x
  2. Step 2: Convert to fraction form
    900,580,945.31/1,349,112,133.62 = 620,412,370.55/x
  3. Step 3: Cross multiply
    900,580,945.31x = 1,349,112,133.62 × 620,412,370.55
  4. Step 4: Simplify right side
    900,580,945.31x = 837,005,856,950,206,848
  5. Step 5: Solve for x
    x = 837,005,856,950,206,848/900,580,945.31
  6. Step 6: Final answer
    x = 929,406,580.62

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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.