Home / 3,779,144,478.40-5,668,716,717.60-3,480,687,212.80

Finding the Fourth Proportional to 3,779,144,478.40, 5,668,716,717.60 and 3,480,687,212.80

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Solution

The fourth proportional to 3,779,144,478.40, 5,668,716,717.60 and 3,480,687,212.80 is: 5,221,030,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,144,478.40 : 5,668,716,717.60 = 3,480,687,212.80 : x
  2. Step 2: Convert to fraction form
    3,779,144,478.40/5,668,716,717.60 = 3,480,687,212.80/x
  3. Step 3: Cross multiply
    3,779,144,478.40x = 5,668,716,717.60 × 3,480,687,212.80
  4. Step 4: Simplify right side
    3,779,144,478.40x = 19,731,029,791,935,909,888
  5. Step 5: Solve for x
    x = 19,731,029,791,935,909,888/3,779,144,478.40
  6. Step 6: Final answer
    x = 5,221,030,819.20

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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.