Home / 679,197,704.13-937,287,197.37-381,841,271.78

Finding the Fourth Proportional to 679,197,704.13, 937,287,197.37 and 381,841,271.78

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Solution

The fourth proportional to 679,197,704.13, 937,287,197.37 and 381,841,271.78 is: 526,937,787.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,197,704.13 : 937,287,197.37 = 381,841,271.78 : x
  2. Step 2: Convert to fraction form
    679,197,704.13/937,287,197.37 = 381,841,271.78/x
  3. Step 3: Cross multiply
    679,197,704.13x = 937,287,197.37 × 381,841,271.78
  4. Step 4: Simplify right side
    679,197,704.13x = 357,894,935,462,186,240
  5. Step 5: Solve for x
    x = 357,894,935,462,186,240/679,197,704.13
  6. Step 6: Final answer
    x = 526,937,787.46

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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.