Home / 1,571,128,755.15-2,354,026,156.89-948,034,665.25

Finding the Fourth Proportional to 1,571,128,755.15, 2,354,026,156.89 and 948,034,665.25

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Solution

The fourth proportional to 1,571,128,755.15, 2,354,026,156.89 and 948,034,665.25 is: 1,420,442,718.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,128,755.15 : 2,354,026,156.89 = 948,034,665.25 : x
  2. Step 2: Convert to fraction form
    1,571,128,755.15/2,354,026,156.89 = 948,034,665.25/x
  3. Step 3: Cross multiply
    1,571,128,755.15x = 2,354,026,156.89 × 948,034,665.25
  4. Step 4: Simplify right side
    1,571,128,755.15x = 2,231,698,399,636,954,880
  5. Step 5: Solve for x
    x = 2,231,698,399,636,954,880/1,571,128,755.15
  6. Step 6: Final answer
    x = 1,420,442,718.22

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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.