Home / 13,413,585,615.59-18,510,209,219.81-7,309,808,561.25

Finding the Fourth Proportional to 13,413,585,615.59, 18,510,209,219.81 and 7,309,808,561.25

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Solution

The fourth proportional to 13,413,585,615.59, 18,510,209,219.81 and 7,309,808,561.25 is: 10,087,242,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413,585,615.59 : 18,510,209,219.81 = 7,309,808,561.25 : x
  2. Step 2: Convert to fraction form
    13,413,585,615.59/18,510,209,219.81 = 7,309,808,561.25/x
  3. Step 3: Cross multiply
    13,413,585,615.59x = 18,510,209,219.81 × 7,309,808,561.25
  4. Step 4: Simplify right side
    13,413,585,615.59x = 135,306,085,825,510,440,960
  5. Step 5: Solve for x
    x = 135,306,085,825,510,440,960/13,413,585,615.59
  6. Step 6: Final answer
    x = 10,087,242,121.77

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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.