Home / 1,339,390,106.40-1,848,461,768.59-803,561,864.12

Finding the Fourth Proportional to 1,339,390,106.40, 1,848,461,768.59 and 803,561,864.12

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Solution

The fourth proportional to 1,339,390,106.40, 1,848,461,768.59 and 803,561,864.12 is: 1,108,977,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,390,106.40 : 1,848,461,768.59 = 803,561,864.12 : x
  2. Step 2: Convert to fraction form
    1,339,390,106.40/1,848,461,768.59 = 803,561,864.12/x
  3. Step 3: Cross multiply
    1,339,390,106.40x = 1,848,461,768.59 × 803,561,864.12
  4. Step 4: Simplify right side
    1,339,390,106.40x = 1,485,353,384,522,732,288
  5. Step 5: Solve for x
    x = 1,485,353,384,522,732,288/1,339,390,106.40
  6. Step 6: Final answer
    x = 1,108,977,419.97

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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.