Home / 1,241,620,718.70-1,862,437,803.09-368,229,654.27

Finding the Fourth Proportional to 1,241,620,718.70, 1,862,437,803.09 and 368,229,654.27

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Solution

The fourth proportional to 1,241,620,718.70, 1,862,437,803.09 and 368,229,654.27 is: 552,346,475.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,620,718.70 : 1,862,437,803.09 = 368,229,654.27 : x
  2. Step 2: Convert to fraction form
    1,241,620,718.70/1,862,437,803.09 = 368,229,654.27/x
  3. Step 3: Cross multiply
    1,241,620,718.70x = 1,862,437,803.09 × 368,229,654.27
  4. Step 4: Simplify right side
    1,241,620,718.70x = 685,804,828,331,208,960
  5. Step 5: Solve for x
    x = 685,804,828,331,208,960/1,241,620,718.70
  6. Step 6: Final answer
    x = 552,346,475.86

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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.