Home / 8,503,068,858.40-12,754,603,287.60-7,779,883,945.60

Finding the Fourth Proportional to 8,503,068,858.40, 12,754,603,287.60 and 7,779,883,945.60

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Solution

The fourth proportional to 8,503,068,858.40, 12,754,603,287.60 and 7,779,883,945.60 is: 11,669,825,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,068,858.40 : 12,754,603,287.60 = 7,779,883,945.60 : x
  2. Step 2: Convert to fraction form
    8,503,068,858.40/12,754,603,287.60 = 7,779,883,945.60/x
  3. Step 3: Cross multiply
    8,503,068,858.40x = 12,754,603,287.60 × 7,779,883,945.60
  4. Step 4: Simplify right side
    8,503,068,858.40x = 99,229,333,349,696,225,280
  5. Step 5: Solve for x
    x = 99,229,333,349,696,225,280/8,503,068,858.40
  6. Step 6: Final answer
    x = 11,669,825,918.40

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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.