Home / 1,472,999,490.93-2,209,913,760.39-644,025,932.67

Finding the Fourth Proportional to 1,472,999,490.93, 2,209,913,760.39 and 644,025,932.67

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Solution

The fourth proportional to 1,472,999,490.93, 2,209,913,760.39 and 644,025,932.67 is: 966,220,137.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,999,490.93 : 2,209,913,760.39 = 644,025,932.67 : x
  2. Step 2: Convert to fraction form
    1,472,999,490.93/2,209,913,760.39 = 644,025,932.67/x
  3. Step 3: Cross multiply
    1,472,999,490.93x = 2,209,913,760.39 × 644,025,932.67
  4. Step 4: Simplify right side
    1,472,999,490.93x = 1,423,241,770,655,436,544
  5. Step 5: Solve for x
    x = 1,423,241,770,655,436,544/1,472,999,490.93
  6. Step 6: Final answer
    x = 966,220,137.49

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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.