Home / 4,914,445,581.40-7,371,668,372.10-1,808,385,512.80

Finding the Fourth Proportional to 4,914,445,581.40, 7,371,668,372.10 and 1,808,385,512.80

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Solution

The fourth proportional to 4,914,445,581.40, 7,371,668,372.10 and 1,808,385,512.80 is: 2,712,578,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914,445,581.40 : 7,371,668,372.10 = 1,808,385,512.80 : x
  2. Step 2: Convert to fraction form
    4,914,445,581.40/7,371,668,372.10 = 1,808,385,512.80/x
  3. Step 3: Cross multiply
    4,914,445,581.40x = 7,371,668,372.10 × 1,808,385,512.80
  4. Step 4: Simplify right side
    4,914,445,581.40x = 13,330,818,289,271,599,104
  5. Step 5: Solve for x
    x = 13,330,818,289,271,599,104/4,914,445,581.40
  6. Step 6: Final answer
    x = 2,712,578,269.20

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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.