Home / 953,856,838.60-1,430,785,257.90-893,390,662.60

Finding the Fourth Proportional to 953,856,838.60, 1,430,785,257.90 and 893,390,662.60

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Solution

The fourth proportional to 953,856,838.60, 1,430,785,257.90 and 893,390,662.60 is: 1,340,085,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,856,838.60 : 1,430,785,257.90 = 893,390,662.60 : x
  2. Step 2: Convert to fraction form
    953,856,838.60/1,430,785,257.90 = 893,390,662.60/x
  3. Step 3: Cross multiply
    953,856,838.60x = 1,430,785,257.90 × 893,390,662.60
  4. Step 4: Simplify right side
    953,856,838.60x = 1,278,250,189,593,593,088
  5. Step 5: Solve for x
    x = 1,278,250,189,593,593,088/953,856,838.60
  6. Step 6: Final answer
    x = 1,340,085,993.90

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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.