Home / 615,141,995.63-922,769,059.23-200,512,391.72

Finding the Fourth Proportional to 615,141,995.63, 922,769,059.23 and 200,512,391.72

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Solution

The fourth proportional to 615,141,995.63, 922,769,059.23 and 200,512,391.72 is: 300,786,862.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,141,995.63 : 922,769,059.23 = 200,512,391.72 : x
  2. Step 2: Convert to fraction form
    615,141,995.63/922,769,059.23 = 200,512,391.72/x
  3. Step 3: Cross multiply
    615,141,995.63x = 922,769,059.23 × 200,512,391.72
  4. Step 4: Simplify right side
    615,141,995.63x = 185,026,631,066,807,808
  5. Step 5: Solve for x
    x = 185,026,631,066,807,808/615,141,995.63
  6. Step 6: Final answer
    x = 300,786,862.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.