Home / 863,183,276.10-1,294,774,914.15-317,853,951.30

Finding the Fourth Proportional to 863,183,276.10, 1,294,774,914.15 and 317,853,951.30

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Solution

The fourth proportional to 863,183,276.10, 1,294,774,914.15 and 317,853,951.30 is: 476,780,926.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,183,276.10 : 1,294,774,914.15 = 317,853,951.30 : x
  2. Step 2: Convert to fraction form
    863,183,276.10/1,294,774,914.15 = 317,853,951.30/x
  3. Step 3: Cross multiply
    863,183,276.10x = 1,294,774,914.15 × 317,853,951.30
  4. Step 4: Simplify right side
    863,183,276.10x = 411,549,322,506,695,808
  5. Step 5: Solve for x
    x = 411,549,322,506,695,808/863,183,276.10
  6. Step 6: Final answer
    x = 476,780,926.95

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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.