Home / 1,771,781,618.40-2,657,672,427.60-789,206,258.40

Finding the Fourth Proportional to 1,771,781,618.40, 2,657,672,427.60 and 789,206,258.40

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Solution

The fourth proportional to 1,771,781,618.40, 2,657,672,427.60 and 789,206,258.40 is: 1,183,809,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,781,618.40 : 2,657,672,427.60 = 789,206,258.40 : x
  2. Step 2: Convert to fraction form
    1,771,781,618.40/2,657,672,427.60 = 789,206,258.40/x
  3. Step 3: Cross multiply
    1,771,781,618.40x = 2,657,672,427.60 × 789,206,258.40
  4. Step 4: Simplify right side
    1,771,781,618.40x = 2,097,451,712,639,040,768
  5. Step 5: Solve for x
    x = 2,097,451,712,639,040,768/1,771,781,618.40
  6. Step 6: Final answer
    x = 1,183,809,387.60

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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.