Home / 1,245,783,990.35-1,868,675,985.53-1,245,783,990.35

Finding the Fourth Proportional to 1,245,783,990.35, 1,868,675,985.53 and 1,245,783,990.35

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Solution

The fourth proportional to 1,245,783,990.35, 1,868,675,985.53 and 1,245,783,990.35 is: 1,868,675,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,783,990.35 : 1,868,675,985.53 = 1,245,783,990.35 : x
  2. Step 2: Convert to fraction form
    1,245,783,990.35/1,868,675,985.53 = 1,245,783,990.35/x
  3. Step 3: Cross multiply
    1,245,783,990.35x = 1,868,675,985.53 × 1,245,783,990.35
  4. Step 4: Simplify right side
    1,245,783,990.35x = 2,327,966,625,924,782,080
  5. Step 5: Solve for x
    x = 2,327,966,625,924,782,080/1,245,783,990.35
  6. Step 6: Final answer
    x = 1,868,675,985.53

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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.