Home / 1,330,793,346.40-1,996,001,062.80-457,435,016.80

Finding the Fourth Proportional to 1,330,793,346.40, 1,996,001,062.80 and 457,435,016.80

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Solution

The fourth proportional to 1,330,793,346.40, 1,996,001,062.80 and 457,435,016.80 is: 686,087,574.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,793,346.40 : 1,996,001,062.80 = 457,435,016.80 : x
  2. Step 2: Convert to fraction form
    1,330,793,346.40/1,996,001,062.80 = 457,435,016.80/x
  3. Step 3: Cross multiply
    1,330,793,346.40x = 1,996,001,062.80 × 457,435,016.80
  4. Step 4: Simplify right side
    1,330,793,346.40x = 913,040,779,694,735,872
  5. Step 5: Solve for x
    x = 913,040,779,694,735,872/1,330,793,346.40
  6. Step 6: Final answer
    x = 686,087,574.88

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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.