Home / 2,021,919,630.40-3,032,879,445.60-490,109,838.40

Finding the Fourth Proportional to 2,021,919,630.40, 3,032,879,445.60 and 490,109,838.40

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Solution

The fourth proportional to 2,021,919,630.40, 3,032,879,445.60 and 490,109,838.40 is: 735,164,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,919,630.40 : 3,032,879,445.60 = 490,109,838.40 : x
  2. Step 2: Convert to fraction form
    2,021,919,630.40/3,032,879,445.60 = 490,109,838.40/x
  3. Step 3: Cross multiply
    2,021,919,630.40x = 3,032,879,445.60 × 490,109,838.40
  4. Step 4: Simplify right side
    2,021,919,630.40x = 1,486,444,054,969,697,536
  5. Step 5: Solve for x
    x = 1,486,444,054,969,697,536/2,021,919,630.40
  6. Step 6: Final answer
    x = 735,164,757.60

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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.