Home / 1,076,942,868.44-1,615,581,325.13-455,160,718.13

Finding the Fourth Proportional to 1,076,942,868.44, 1,615,581,325.13 and 455,160,718.13

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Solution

The fourth proportional to 1,076,942,868.44, 1,615,581,325.13 and 455,160,718.13 is: 682,811,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,942,868.44 : 1,615,581,325.13 = 455,160,718.13 : x
  2. Step 2: Convert to fraction form
    1,076,942,868.44/1,615,581,325.13 = 455,160,718.13/x
  3. Step 3: Cross multiply
    1,076,942,868.44x = 1,615,581,325.13 × 455,160,718.13
  4. Step 4: Simplify right side
    1,076,942,868.44x = 735,349,156,133,234,048
  5. Step 5: Solve for x
    x = 735,349,156,133,234,048/1,076,942,868.44
  6. Step 6: Final answer
    x = 682,811,667.81

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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.