Home / 839,809,871.70-1,259,714,807.55-755,157,225.30

Finding the Fourth Proportional to 839,809,871.70, 1,259,714,807.55 and 755,157,225.30

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Solution

The fourth proportional to 839,809,871.70, 1,259,714,807.55 and 755,157,225.30 is: 1,132,735,837.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,871.70 : 1,259,714,807.55 = 755,157,225.30 : x
  2. Step 2: Convert to fraction form
    839,809,871.70/1,259,714,807.55 = 755,157,225.30/x
  3. Step 3: Cross multiply
    839,809,871.70x = 1,259,714,807.55 × 755,157,225.30
  4. Step 4: Simplify right side
    839,809,871.70x = 951,282,738,738,781,440
  5. Step 5: Solve for x
    x = 951,282,738,738,781,440/839,809,871.70
  6. Step 6: Final answer
    x = 1,132,735,837.95

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Double scale
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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.