Home / 8,503,068,857.40-12,754,603,286.10-7,779,883,944.60

Finding the Fourth Proportional to 8,503,068,857.40, 12,754,603,286.10 and 7,779,883,944.60

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Solution

The fourth proportional to 8,503,068,857.40, 12,754,603,286.10 and 7,779,883,944.60 is: 11,669,825,916.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,068,857.40 : 12,754,603,286.10 = 7,779,883,944.60 : x
  2. Step 2: Convert to fraction form
    8,503,068,857.40/12,754,603,286.10 = 7,779,883,944.60/x
  3. Step 3: Cross multiply
    8,503,068,857.40x = 12,754,603,286.10 × 7,779,883,944.60
  4. Step 4: Simplify right side
    8,503,068,857.40x = 99,229,333,325,271,793,664
  5. Step 5: Solve for x
    x = 99,229,333,325,271,793,664/8,503,068,857.40
  6. Step 6: Final answer
    x = 11,669,825,916.90

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Double scale
Find fourth proportional to 8,503,068,858.40, 12,754,603,287.60 and 7,779,883,945.60
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.