Home / 842,167,627.60-1,162,113,332.98-465,816,115.20

Finding the Fourth Proportional to 842,167,627.60, 1,162,113,332.98 and 465,816,115.20

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Solution

The fourth proportional to 842,167,627.60, 1,162,113,332.98 and 465,816,115.20 is: 642,783,099.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,167,627.60 : 1,162,113,332.98 = 465,816,115.20 : x
  2. Step 2: Convert to fraction form
    842,167,627.60/1,162,113,332.98 = 465,816,115.20/x
  3. Step 3: Cross multiply
    842,167,627.60x = 1,162,113,332.98 × 465,816,115.20
  4. Step 4: Simplify right side
    842,167,627.60x = 541,331,118,190,867,648
  5. Step 5: Solve for x
    x = 541,331,118,190,867,648/842,167,627.60
  6. Step 6: Final answer
    x = 642,783,099.77

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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.