Home / 662,128,015.40-993,192,023.10-662,128,015.40

Finding the Fourth Proportional to 662,128,015.40, 993,192,023.10 and 662,128,015.40

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Solution

The fourth proportional to 662,128,015.40, 993,192,023.10 and 662,128,015.40 is: 993,192,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,128,015.40 : 993,192,023.10 = 662,128,015.40 : x
  2. Step 2: Convert to fraction form
    662,128,015.40/993,192,023.10 = 662,128,015.40/x
  3. Step 3: Cross multiply
    662,128,015.40x = 993,192,023.10 × 662,128,015.40
  4. Step 4: Simplify right side
    662,128,015.40x = 657,620,263,166,313,984
  5. Step 5: Solve for x
    x = 657,620,263,166,313,984/662,128,015.40
  6. Step 6: Final answer
    x = 993,192,023.10

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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.