Home / 713,363,441,009.60-984,441,709,285.26-392,579,276,117.60

Finding the Fourth Proportional to 713,363,441,009.60, 984,441,709,285.26 and 392,579,276,117.60

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Solution

The fourth proportional to 713,363,441,009.60, 984,441,709,285.26 and 392,579,276,117.60 is: 541,759,489,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,363,441,009.60 : 984,441,709,285.26 = 392,579,276,117.60 : x
  2. Step 2: Convert to fraction form
    713,363,441,009.60/984,441,709,285.26 = 392,579,276,117.60/x
  3. Step 3: Cross multiply
    713,363,441,009.60x = 984,441,709,285.26 × 392,579,276,117.60
  4. Step 4: Simplify right side
    713,363,441,009.60x = 386,471,413,611,180,180,111,360
  5. Step 5: Solve for x
    x = 386,471,413,611,180,180,111,360/713,363,441,009.60
  6. Step 6: Final answer
    x = 541,759,489,474.57

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Double scale
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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.