Home / 996,907,898.40-1,495,361,847.60-480,347,246.40

Finding the Fourth Proportional to 996,907,898.40, 1,495,361,847.60 and 480,347,246.40

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Solution

The fourth proportional to 996,907,898.40, 1,495,361,847.60 and 480,347,246.40 is: 720,520,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,907,898.40 : 1,495,361,847.60 = 480,347,246.40 : x
  2. Step 2: Convert to fraction form
    996,907,898.40/1,495,361,847.60 = 480,347,246.40/x
  3. Step 3: Cross multiply
    996,907,898.40x = 1,495,361,847.60 × 480,347,246.40
  4. Step 4: Simplify right side
    996,907,898.40x = 718,292,945,866,276,352
  5. Step 5: Solve for x
    x = 718,292,945,866,276,352/996,907,898.40
  6. Step 6: Final answer
    x = 720,520,869.60

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Double scale
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Similar ratio
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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.