Home / 1,008,220,099,100.70-1,391,347,928,701-545,247,137,617.35

Finding the Fourth Proportional to 1,008,220,099,100.70, 1,391,347,928,701 and 545,247,137,617.35

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Solution

The fourth proportional to 1,008,220,099,100.70, 1,391,347,928,701 and 545,247,137,617.35 is: 752,443,316,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,220,099,100.70 : 1,391,347,928,701 = 545,247,137,617.35 : x
  2. Step 2: Convert to fraction form
    1,008,220,099,100.70/1,391,347,928,701 = 545,247,137,617.35/x
  3. Step 3: Cross multiply
    1,008,220,099,100.70x = 1,391,347,928,701 × 545,247,137,617.35
  4. Step 4: Simplify right side
    1,008,220,099,100.70x = 758,628,475,554,048,979,763,200
  5. Step 5: Solve for x
    x = 758,628,475,554,048,979,763,200/1,008,220,099,100.70
  6. Step 6: Final answer
    x = 752,443,316,921.30

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Double scale
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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.