Home / 2,164,058,054.24-2,986,148,171.88-1,211,490,953.28

Finding the Fourth Proportional to 2,164,058,054.24, 2,986,148,171.88 and 1,211,490,953.28

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Solution

The fourth proportional to 2,164,058,054.24, 2,986,148,171.88 and 1,211,490,953.28 is: 1,671,716,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,058,054.24 : 2,986,148,171.88 = 1,211,490,953.28 : x
  2. Step 2: Convert to fraction form
    2,164,058,054.24/2,986,148,171.88 = 1,211,490,953.28/x
  3. Step 3: Cross multiply
    2,164,058,054.24x = 2,986,148,171.88 × 1,211,490,953.28
  4. Step 4: Simplify right side
    2,164,058,054.24x = 3,617,691,495,386,230,784
  5. Step 5: Solve for x
    x = 3,617,691,495,386,230,784/2,164,058,054.24
  6. Step 6: Final answer
    x = 1,671,716,471.88

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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.