Home / 1,112,229,061.60-1,668,343,592.40-854,743,928.80

Finding the Fourth Proportional to 1,112,229,061.60, 1,668,343,592.40 and 854,743,928.80

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Solution

The fourth proportional to 1,112,229,061.60, 1,668,343,592.40 and 854,743,928.80 is: 1,282,115,893.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,229,061.60 : 1,668,343,592.40 = 854,743,928.80 : x
  2. Step 2: Convert to fraction form
    1,112,229,061.60/1,668,343,592.40 = 854,743,928.80/x
  3. Step 3: Cross multiply
    1,112,229,061.60x = 1,668,343,592.40 × 854,743,928.80
  4. Step 4: Simplify right side
    1,112,229,061.60x = 1,426,006,556,756,281,856
  5. Step 5: Solve for x
    x = 1,426,006,556,756,281,856/1,112,229,061.60
  6. Step 6: Final answer
    x = 1,282,115,893.20

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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.