Home / 842,167,628.60-1,162,113,334.36-465,816,116.20

Finding the Fourth Proportional to 842,167,628.60, 1,162,113,334.36 and 465,816,116.20

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Solution

The fourth proportional to 842,167,628.60, 1,162,113,334.36 and 465,816,116.20 is: 642,783,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,167,628.60 : 1,162,113,334.36 = 465,816,116.20 : x
  2. Step 2: Convert to fraction form
    842,167,628.60/1,162,113,334.36 = 465,816,116.20/x
  3. Step 3: Cross multiply
    842,167,628.60x = 1,162,113,334.36 × 465,816,116.20
  4. Step 4: Simplify right side
    842,167,628.60x = 541,331,119,995,807,168
  5. Step 5: Solve for x
    x = 541,331,119,995,807,168/842,167,628.60
  6. Step 6: Final answer
    x = 642,783,101.15

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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.