Home / 648,619,407.37-895,090,325.11-351,254,844.68

Finding the Fourth Proportional to 648,619,407.37, 895,090,325.11 and 351,254,844.68

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Solution

The fourth proportional to 648,619,407.37, 895,090,325.11 and 351,254,844.68 is: 484,729,271.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,619,407.37 : 895,090,325.11 = 351,254,844.68 : x
  2. Step 2: Convert to fraction form
    648,619,407.37/895,090,325.11 = 351,254,844.68/x
  3. Step 3: Cross multiply
    648,619,407.37x = 895,090,325.11 × 351,254,844.68
  4. Step 4: Simplify right side
    648,619,407.37x = 314,404,813,120,769,536
  5. Step 5: Solve for x
    x = 314,404,813,120,769,536/648,619,407.37
  6. Step 6: Final answer
    x = 484,729,271.97

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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.