Home / 1,490,310,905.34-2,056,642,650.46-821,279,955.00

Finding the Fourth Proportional to 1,490,310,905.34, 2,056,642,650.46 and 821,279,955.00

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Solution

The fourth proportional to 1,490,310,905.34, 2,056,642,650.46 and 821,279,955.00 is: 1,133,373,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,310,905.34 : 2,056,642,650.46 = 821,279,955.00 : x
  2. Step 2: Convert to fraction form
    1,490,310,905.34/2,056,642,650.46 = 821,279,955.00/x
  3. Step 3: Cross multiply
    1,490,310,905.34x = 2,056,642,650.46 × 821,279,955.00
  4. Step 4: Simplify right side
    1,490,310,905.34x = 1,689,079,383,429,567,488
  5. Step 5: Solve for x
    x = 1,689,079,383,429,567,488/1,490,310,905.34
  6. Step 6: Final answer
    x = 1,133,373,833.19

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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.