Home / 1,020,236,028.60-1,530,354,042.90-503,675,376.60

Finding the Fourth Proportional to 1,020,236,028.60, 1,530,354,042.90 and 503,675,376.60

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Solution

The fourth proportional to 1,020,236,028.60, 1,530,354,042.90 and 503,675,376.60 is: 755,513,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,236,028.60 : 1,530,354,042.90 = 503,675,376.60 : x
  2. Step 2: Convert to fraction form
    1,020,236,028.60/1,530,354,042.90 = 503,675,376.60/x
  3. Step 3: Cross multiply
    1,020,236,028.60x = 1,530,354,042.90 × 503,675,376.60
  4. Step 4: Simplify right side
    1,020,236,028.60x = 770,801,648,888,990,080
  5. Step 5: Solve for x
    x = 770,801,648,888,990,080/1,020,236,028.60
  6. Step 6: Final answer
    x = 755,513,064.90

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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.