Home / 922,949,902.14-1,273,670,927.08-505,262,187.43

Finding the Fourth Proportional to 922,949,902.14, 1,273,670,927.08 and 505,262,187.43

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Solution

The fourth proportional to 922,949,902.14, 1,273,670,927.08 and 505,262,187.43 is: 697,261,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,949,902.14 : 1,273,670,927.08 = 505,262,187.43 : x
  2. Step 2: Convert to fraction form
    922,949,902.14/1,273,670,927.08 = 505,262,187.43/x
  3. Step 3: Cross multiply
    922,949,902.14x = 1,273,670,927.08 × 505,262,187.43
  4. Step 4: Simplify right side
    922,949,902.14x = 643,537,758,688,015,232
  5. Step 5: Solve for x
    x = 643,537,758,688,015,232/922,949,902.14
  6. Step 6: Final answer
    x = 697,261,852.67

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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.