Home / 1,638,806,590.20-2,458,209,885.30-1,466,619,706.20

Finding the Fourth Proportional to 1,638,806,590.20, 2,458,209,885.30 and 1,466,619,706.20

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Solution

The fourth proportional to 1,638,806,590.20, 2,458,209,885.30 and 1,466,619,706.20 is: 2,199,929,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,806,590.20 : 2,458,209,885.30 = 1,466,619,706.20 : x
  2. Step 2: Convert to fraction form
    1,638,806,590.20/2,458,209,885.30 = 1,466,619,706.20/x
  3. Step 3: Cross multiply
    1,638,806,590.20x = 2,458,209,885.30 × 1,466,619,706.20
  4. Step 4: Simplify right side
    1,638,806,590.20x = 3,605,259,059,756,622,336
  5. Step 5: Solve for x
    x = 3,605,259,059,756,622,336/1,638,806,590.20
  6. Step 6: Final answer
    x = 2,199,929,559.30

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Double scale
Find fourth proportional to 1,638,806,591.20, 2,458,209,886.80 and 1,466,619,707.20
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.