Home / 1,245,781,379.40-1,868,672,069.10-600,808,835.40

Finding the Fourth Proportional to 1,245,781,379.40, 1,868,672,069.10 and 600,808,835.40

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Solution

The fourth proportional to 1,245,781,379.40, 1,868,672,069.10 and 600,808,835.40 is: 901,213,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,781,379.40 : 1,868,672,069.10 = 600,808,835.40 : x
  2. Step 2: Convert to fraction form
    1,245,781,379.40/1,868,672,069.10 = 600,808,835.40/x
  3. Step 3: Cross multiply
    1,245,781,379.40x = 1,868,672,069.10 × 600,808,835.40
  4. Step 4: Simplify right side
    1,245,781,379.40x = 1,122,714,689,580,479,232
  5. Step 5: Solve for x
    x = 1,122,714,689,580,479,232/1,245,781,379.40
  6. Step 6: Final answer
    x = 901,213,253.10

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Half scale
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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.