Home / 13,413,585,606.95-18,510,209,207.93-7,309,808,552.61

Finding the Fourth Proportional to 13,413,585,606.95, 18,510,209,207.93 and 7,309,808,552.61

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Solution

The fourth proportional to 13,413,585,606.95, 18,510,209,207.93 and 7,309,808,552.61 is: 10,087,242,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413,585,606.95 : 18,510,209,207.93 = 7,309,808,552.61 : x
  2. Step 2: Convert to fraction form
    13,413,585,606.95/18,510,209,207.93 = 7,309,808,552.61/x
  3. Step 3: Cross multiply
    13,413,585,606.95x = 18,510,209,207.93 × 7,309,808,552.61
  4. Step 4: Simplify right side
    13,413,585,606.95x = 135,306,085,578,690,527,232
  5. Step 5: Solve for x
    x = 135,306,085,578,690,527,232/13,413,585,606.95
  6. Step 6: Final answer
    x = 10,087,242,109.87

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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.