Home / 1,672,080,446.72-2,506,463,968.71-785,178,163.96

Finding the Fourth Proportional to 1,672,080,446.72, 2,506,463,968.71 and 785,178,163.96

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Solution

The fourth proportional to 1,672,080,446.72, 2,506,463,968.71 and 785,178,163.96 is: 1,176,989,289.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,080,446.72 : 2,506,463,968.71 = 785,178,163.96 : x
  2. Step 2: Convert to fraction form
    1,672,080,446.72/2,506,463,968.71 = 785,178,163.96/x
  3. Step 3: Cross multiply
    1,672,080,446.72x = 2,506,463,968.71 × 785,178,163.96
  4. Step 4: Simplify right side
    1,672,080,446.72x = 1,968,020,776,983,612,928
  5. Step 5: Solve for x
    x = 1,968,020,776,983,612,928/1,672,080,446.72
  6. Step 6: Final answer
    x = 1,176,989,289.51

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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.