Home / 1,294,707,850.80-1,940,786,317.80-639,759,962.40

Finding the Fourth Proportional to 1,294,707,850.80, 1,940,786,317.80 and 639,759,962.40

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Solution

The fourth proportional to 1,294,707,850.80, 1,940,786,317.80 and 639,759,962.40 is: 959,009,695.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,707,850.80 : 1,940,786,317.80 = 639,759,962.40 : x
  2. Step 2: Convert to fraction form
    1,294,707,850.80/1,940,786,317.80 = 639,759,962.40/x
  3. Step 3: Cross multiply
    1,294,707,850.80x = 1,940,786,317.80 × 639,759,962.40
  4. Step 4: Simplify right side
    1,294,707,850.80x = 1,241,637,381,702,162,432
  5. Step 5: Solve for x
    x = 1,241,637,381,702,162,432/1,294,707,850.80
  6. Step 6: Final answer
    x = 959,009,695.46

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1.5x scale

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.