Home / 1,284,332,486.05-1,772,525,858.40-719,969,795.02

Finding the Fourth Proportional to 1,284,332,486.05, 1,772,525,858.40 and 719,969,795.02

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Solution

The fourth proportional to 1,284,332,486.05, 1,772,525,858.40 and 719,969,795.02 is: 993,640,737.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,332,486.05 : 1,772,525,858.40 = 719,969,795.02 : x
  2. Step 2: Convert to fraction form
    1,284,332,486.05/1,772,525,858.40 = 719,969,795.02/x
  3. Step 3: Cross multiply
    1,284,332,486.05x = 1,772,525,858.40 × 719,969,795.02
  4. Step 4: Simplify right side
    1,284,332,486.05x = 1,276,165,078,939,897,600
  5. Step 5: Solve for x
    x = 1,276,165,078,939,897,600/1,284,332,486.05
  6. Step 6: Final answer
    x = 993,640,737.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.