Home / 1,188,789,714.56-1,640,549,564.17-652,990,921.94

Finding the Fourth Proportional to 1,188,789,714.56, 1,640,549,564.17 and 652,990,921.94

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Solution

The fourth proportional to 1,188,789,714.56, 1,640,549,564.17 and 652,990,921.94 is: 901,138,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,789,714.56 : 1,640,549,564.17 = 652,990,921.94 : x
  2. Step 2: Convert to fraction form
    1,188,789,714.56/1,640,549,564.17 = 652,990,921.94/x
  3. Step 3: Cross multiply
    1,188,789,714.56x = 1,640,549,564.17 × 652,990,921.94
  4. Step 4: Simplify right side
    1,188,789,714.56x = 1,071,263,972,398,102,400
  5. Step 5: Solve for x
    x = 1,071,263,972,398,102,400/1,188,789,714.56
  6. Step 6: Final answer
    x = 901,138,325.20

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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.