Home / 716,509,939.86-989,088,804.09-481,696,787.25

Finding the Fourth Proportional to 716,509,939.86, 989,088,804.09 and 481,696,787.25

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Solution

The fourth proportional to 716,509,939.86, 989,088,804.09 and 481,696,787.25 is: 664,946,670.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,509,939.86 : 989,088,804.09 = 481,696,787.25 : x
  2. Step 2: Convert to fraction form
    716,509,939.86/989,088,804.09 = 481,696,787.25/x
  3. Step 3: Cross multiply
    716,509,939.86x = 989,088,804.09 × 481,696,787.25
  4. Step 4: Simplify right side
    716,509,939.86x = 476,440,899,235,097,664
  5. Step 5: Solve for x
    x = 476,440,899,235,097,664/716,509,939.86
  6. Step 6: Final answer
    x = 664,946,670.98

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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.