Home / 8,503,068,848.40-12,754,603,272.60-7,779,883,935.60

Finding the Fourth Proportional to 8,503,068,848.40, 12,754,603,272.60 and 7,779,883,935.60

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Solution

The fourth proportional to 8,503,068,848.40, 12,754,603,272.60 and 7,779,883,935.60 is: 11,669,825,903.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,068,848.40 : 12,754,603,272.60 = 7,779,883,935.60 : x
  2. Step 2: Convert to fraction form
    8,503,068,848.40/12,754,603,272.60 = 7,779,883,935.60/x
  3. Step 3: Cross multiply
    8,503,068,848.40x = 12,754,603,272.60 × 7,779,883,935.60
  4. Step 4: Simplify right side
    8,503,068,848.40x = 99,229,333,105,451,941,888
  5. Step 5: Solve for x
    x = 99,229,333,105,451,941,888/8,503,068,848.40
  6. Step 6: Final answer
    x = 11,669,825,903.40

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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.