Home / 276,161,602,811.25-381,047,739,534.53-154,207,572,817.10

Finding the Fourth Proportional to 276,161,602,811.25, 381,047,739,534.53 and 154,207,572,817.10

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Solution

The fourth proportional to 276,161,602,811.25, 381,047,739,534.53 and 154,207,572,817.10 is: 212,775,586,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,161,602,811.25 : 381,047,739,534.53 = 154,207,572,817.10 : x
  2. Step 2: Convert to fraction form
    276,161,602,811.25/381,047,739,534.53 = 154,207,572,817.10/x
  3. Step 3: Cross multiply
    276,161,602,811.25x = 381,047,739,534.53 × 154,207,572,817.10
  4. Step 4: Simplify right side
    276,161,602,811.25x = 58,760,447,041,062,400,163,840
  5. Step 5: Solve for x
    x = 58,760,447,041,062,400,163,840/276,161,602,811.25
  6. Step 6: Final answer
    x = 212,775,586,623.55

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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.