Home / 28,875,532,118.94-39,861,291,183.09-18,186,362,116.38

Finding the Fourth Proportional to 28,875,532,118.94, 39,861,291,183.09 and 18,186,362,116.38

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Solution

The fourth proportional to 28,875,532,118.94, 39,861,291,183.09 and 18,186,362,116.38 is: 25,105,403,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875,532,118.94 : 39,861,291,183.09 = 18,186,362,116.38 : x
  2. Step 2: Convert to fraction form
    28,875,532,118.94/39,861,291,183.09 = 18,186,362,116.38/x
  3. Step 3: Cross multiply
    28,875,532,118.94x = 39,861,291,183.09 × 18,186,362,116.38
  4. Step 4: Simplify right side
    28,875,532,118.94x = 724,931,875,882,140,041,216
  5. Step 5: Solve for x
    x = 724,931,875,882,140,041,216/28,875,532,118.94
  6. Step 6: Final answer
    x = 25,105,403,179.97

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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.