Home / 842,486,450.60-1,162,624,957.44-471,208,500.20

Finding the Fourth Proportional to 842,486,450.60, 1,162,624,957.44 and 471,208,500.20

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Solution

The fourth proportional to 842,486,450.60, 1,162,624,957.44 and 471,208,500.20 is: 650,264,181.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,486,450.60 : 1,162,624,957.44 = 471,208,500.20 : x
  2. Step 2: Convert to fraction form
    842,486,450.60/1,162,624,957.44 = 471,208,500.20/x
  3. Step 3: Cross multiply
    842,486,450.60x = 1,162,624,957.44 × 471,208,500.20
  4. Step 4: Simplify right side
    842,486,450.60x = 547,838,762,490,391,232
  5. Step 5: Solve for x
    x = 547,838,762,490,391,232/842,486,450.60
  6. Step 6: Final answer
    x = 650,264,181.82

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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.