Home / 6,986,183,729.40-9,641,778,968.16-3,976,168,302.72

Finding the Fourth Proportional to 6,986,183,729.40, 9,641,778,968.16 and 3,976,168,302.72

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Solution

The fourth proportional to 6,986,183,729.40, 9,641,778,968.16 and 3,976,168,302.72 is: 5,487,593,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986,183,729.40 : 9,641,778,968.16 = 3,976,168,302.72 : x
  2. Step 2: Convert to fraction form
    6,986,183,729.40/9,641,778,968.16 = 3,976,168,302.72/x
  3. Step 3: Cross multiply
    6,986,183,729.40x = 9,641,778,968.16 × 3,976,168,302.72
  4. Step 4: Simplify right side
    6,986,183,729.40x = 38,337,335,915,030,134,784
  5. Step 5: Solve for x
    x = 38,337,335,915,030,134,784/6,986,183,729.40
  6. Step 6: Final answer
    x = 5,487,593,427.25

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1.5x scale

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.