Home / 922,949,910.64-1,273,670,938.83-505,262,195.95

Finding the Fourth Proportional to 922,949,910.64, 1,273,670,938.83 and 505,262,195.95

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Solution

The fourth proportional to 922,949,910.64, 1,273,670,938.83 and 505,262,195.95 is: 697,261,864.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,949,910.64 : 1,273,670,938.83 = 505,262,195.95 : x
  2. Step 2: Convert to fraction form
    922,949,910.64/1,273,670,938.83 = 505,262,195.95/x
  3. Step 3: Cross multiply
    922,949,910.64x = 1,273,670,938.83 × 505,262,195.95
  4. Step 4: Simplify right side
    922,949,910.64x = 643,537,775,470,943,872
  5. Step 5: Solve for x
    x = 643,537,775,470,943,872/922,949,910.64
  6. Step 6: Final answer
    x = 697,261,864.43

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1.5x scale

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.