Home / 1,257,875,580.36-1,735,945,963.80-693,359,188.92

Finding the Fourth Proportional to 1,257,875,580.36, 1,735,945,963.80 and 693,359,188.92

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Solution

The fourth proportional to 1,257,875,580.36, 1,735,945,963.80 and 693,359,188.92 is: 956,878,489.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,875,580.36 : 1,735,945,963.80 = 693,359,188.92 : x
  2. Step 2: Convert to fraction form
    1,257,875,580.36/1,735,945,963.80 = 693,359,188.92/x
  3. Step 3: Cross multiply
    1,257,875,580.36x = 1,735,945,963.80 × 693,359,188.92
  4. Step 4: Simplify right side
    1,257,875,580.36x = 1,203,634,085,469,315,584
  5. Step 5: Solve for x
    x = 1,203,634,085,469,315,584/1,257,875,580.36
  6. Step 6: Final answer
    x = 956,878,489.62

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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.