Home / 2,118,780,688.40-3,178,171,032.60-586,970,896.40

Finding the Fourth Proportional to 2,118,780,688.40, 3,178,171,032.60 and 586,970,896.40

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Solution

The fourth proportional to 2,118,780,688.40, 3,178,171,032.60 and 586,970,896.40 is: 880,456,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,780,688.40 : 3,178,171,032.60 = 586,970,896.40 : x
  2. Step 2: Convert to fraction form
    2,118,780,688.40/3,178,171,032.60 = 586,970,896.40/x
  3. Step 3: Cross multiply
    2,118,780,688.40x = 3,178,171,032.60 × 586,970,896.40
  4. Step 4: Simplify right side
    2,118,780,688.40x = 1,865,493,899,917,735,424
  5. Step 5: Solve for x
    x = 1,865,493,899,917,735,424/2,118,780,688.40
  6. Step 6: Final answer
    x = 880,456,344.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.