Home / 982,915,624.20-1,356,415,500.36-536,879,271.90

Finding the Fourth Proportional to 982,915,624.20, 1,356,415,500.36 and 536,879,271.90

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Solution

The fourth proportional to 982,915,624.20, 1,356,415,500.36 and 536,879,271.90 is: 740,888,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,915,624.20 : 1,356,415,500.36 = 536,879,271.90 : x
  2. Step 2: Convert to fraction form
    982,915,624.20/1,356,415,500.36 = 536,879,271.90/x
  3. Step 3: Cross multiply
    982,915,624.20x = 1,356,415,500.36 × 536,879,271.90
  4. Step 4: Simplify right side
    982,915,624.20x = 728,231,366,227,150,848
  5. Step 5: Solve for x
    x = 728,231,366,227,150,848/982,915,624.20
  6. Step 6: Final answer
    x = 740,888,992.20

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1.5x scale

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.