Home / 13,683,808,587.79-18,883,655,849.60-7,425,559,371.79

Finding the Fourth Proportional to 13,683,808,587.79, 18,883,655,849.60 and 7,425,559,371.79

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Solution

The fourth proportional to 13,683,808,587.79, 18,883,655,849.60 and 7,425,559,371.79 is: 10,247,271,932.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683,808,587.79 : 18,883,655,849.60 = 7,425,559,371.79 : x
  2. Step 2: Convert to fraction form
    13,683,808,587.79/18,883,655,849.60 = 7,425,559,371.79/x
  3. Step 3: Cross multiply
    13,683,808,587.79x = 18,883,655,849.60 × 7,425,559,371.79
  4. Step 4: Simplify right side
    13,683,808,587.79x = 140,221,707,667,654,328,320
  5. Step 5: Solve for x
    x = 140,221,707,667,654,328,320/13,683,808,587.79
  6. Step 6: Final answer
    x = 10,247,271,932.23

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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.