Home / 743,203,955.94-1,025,686,809.87-408,735,424.41

Finding the Fourth Proportional to 743,203,955.94, 1,025,686,809.87 and 408,735,424.41

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Solution

The fourth proportional to 743,203,955.94, 1,025,686,809.87 and 408,735,424.41 is: 564,090,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,203,955.94 : 1,025,686,809.87 = 408,735,424.41 : x
  2. Step 2: Convert to fraction form
    743,203,955.94/1,025,686,809.87 = 408,735,424.41/x
  3. Step 3: Cross multiply
    743,203,955.94x = 1,025,686,809.87 × 408,735,424.41
  4. Step 4: Simplify right side
    743,203,955.94x = 419,234,533,543,953,472
  5. Step 5: Solve for x
    x = 419,234,533,543,953,472/743,203,955.94
  6. Step 6: Final answer
    x = 564,090,826.20

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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.