Home / 966,499,912.81-1,449,156,554.39-375,600,203.47

Finding the Fourth Proportional to 966,499,912.81, 1,449,156,554.39 and 375,600,203.47

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Solution

The fourth proportional to 966,499,912.81, 1,449,156,554.39 and 375,600,203.47 is: 563,169,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,499,912.81 : 1,449,156,554.39 = 375,600,203.47 : x
  2. Step 2: Convert to fraction form
    966,499,912.81/1,449,156,554.39 = 375,600,203.47/x
  3. Step 3: Cross multiply
    966,499,912.81x = 1,449,156,554.39 × 375,600,203.47
  4. Step 4: Simplify right side
    966,499,912.81x = 544,303,496,689,415,168
  5. Step 5: Solve for x
    x = 544,303,496,689,415,168/966,499,912.81
  6. Step 6: Final answer
    x = 563,169,731.81

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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.