Home / 1,210,650,487.20-1,815,975,730.80-598,430,455.20

Finding the Fourth Proportional to 1,210,650,487.20, 1,815,975,730.80 and 598,430,455.20

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Solution

The fourth proportional to 1,210,650,487.20, 1,815,975,730.80 and 598,430,455.20 is: 897,645,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,650,487.20 : 1,815,975,730.80 = 598,430,455.20 : x
  2. Step 2: Convert to fraction form
    1,210,650,487.20/1,815,975,730.80 = 598,430,455.20/x
  3. Step 3: Cross multiply
    1,210,650,487.20x = 1,815,975,730.80 × 598,430,455.20
  4. Step 4: Simplify right side
    1,210,650,487.20x = 1,086,735,183,214,796,672
  5. Step 5: Solve for x
    x = 1,086,735,183,214,796,672/1,210,650,487.20
  6. Step 6: Final answer
    x = 897,645,682.80

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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.