Home / 945,560,754.12-1,305,222,041.52-569,234,833.56

Finding the Fourth Proportional to 945,560,754.12, 1,305,222,041.52 and 569,234,833.56

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Solution

The fourth proportional to 945,560,754.12, 1,305,222,041.52 and 569,234,833.56 is: 785,753,689.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,560,754.12 : 1,305,222,041.52 = 569,234,833.56 : x
  2. Step 2: Convert to fraction form
    945,560,754.12/1,305,222,041.52 = 569,234,833.56/x
  3. Step 3: Cross multiply
    945,560,754.12x = 1,305,222,041.52 × 569,234,833.56
  4. Step 4: Simplify right side
    945,560,754.12x = 742,977,851,563,480,576
  5. Step 5: Solve for x
    x = 742,977,851,563,480,576/945,560,754.12
  6. Step 6: Final answer
    x = 785,753,689.89

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1.5x scale

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.