Home / 430,171,433,999.60-645,257,150,999.40-430,171,433,999.60

Finding the Fourth Proportional to 430,171,433,999.60, 645,257,150,999.40 and 430,171,433,999.60

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Solution

The fourth proportional to 430,171,433,999.60, 645,257,150,999.40 and 430,171,433,999.60 is: 645,257,150,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,171,433,999.60 : 645,257,150,999.40 = 430,171,433,999.60 : x
  2. Step 2: Convert to fraction form
    430,171,433,999.60/645,257,150,999.40 = 430,171,433,999.60/x
  3. Step 3: Cross multiply
    430,171,433,999.60x = 645,257,150,999.40 × 430,171,433,999.60
  4. Step 4: Simplify right side
    430,171,433,999.60x = 277,571,193,943,908,337,844,224
  5. Step 5: Solve for x
    x = 277,571,193,943,908,337,844,224/430,171,433,999.60
  6. Step 6: Final answer
    x = 645,257,150,999.40

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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.