Home / 355,569,546,217.28-490,686,336,931.79-192,989,225,642.14

Finding the Fourth Proportional to 355,569,546,217.28, 490,686,336,931.79 and 192,989,225,642.14

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Solution

The fourth proportional to 355,569,546,217.28, 490,686,336,931.79 and 192,989,225,642.14 is: 266,325,328,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,569,546,217.28 : 490,686,336,931.79 = 192,989,225,642.14 : x
  2. Step 2: Convert to fraction form
    355,569,546,217.28/490,686,336,931.79 = 192,989,225,642.14/x
  3. Step 3: Cross multiply
    355,569,546,217.28x = 490,686,336,931.79 × 192,989,225,642.14
  4. Step 4: Simplify right side
    355,569,546,217.28x = 94,697,176,197,644,354,060,288
  5. Step 5: Solve for x
    x = 94,697,176,197,644,354,060,288/355,569,546,217.28
  6. Step 6: Final answer
    x = 266,325,328,490.81

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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.