Home / 3,012,086,246.40-4,518,129,369.60-1,072,689,638.40

Finding the Fourth Proportional to 3,012,086,246.40, 4,518,129,369.60 and 1,072,689,638.40

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Solution

The fourth proportional to 3,012,086,246.40, 4,518,129,369.60 and 1,072,689,638.40 is: 1,609,034,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,086,246.40 : 4,518,129,369.60 = 1,072,689,638.40 : x
  2. Step 2: Convert to fraction form
    3,012,086,246.40/4,518,129,369.60 = 1,072,689,638.40/x
  3. Step 3: Cross multiply
    3,012,086,246.40x = 4,518,129,369.60 × 1,072,689,638.40
  4. Step 4: Simplify right side
    3,012,086,246.40x = 4,846,550,559,720,644,608
  5. Step 5: Solve for x
    x = 4,846,550,559,720,644,608/3,012,086,246.40
  6. Step 6: Final answer
    x = 1,609,034,457.60

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Double scale
Find fourth proportional to 3,012,086,247.40, 4,518,129,371.10 and 1,072,689,639.40
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.