Home / 7,851,485,779.20-11,762,895,945.60-4,784,283,014.40

Finding the Fourth Proportional to 7,851,485,779.20, 11,762,895,945.60 and 4,784,283,014.40

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Solution

The fourth proportional to 7,851,485,779.20, 11,762,895,945.60 and 4,784,283,014.40 is: 7,167,690,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851,485,779.20 : 11,762,895,945.60 = 4,784,283,014.40 : x
  2. Step 2: Convert to fraction form
    7,851,485,779.20/11,762,895,945.60 = 4,784,283,014.40/x
  3. Step 3: Cross multiply
    7,851,485,779.20x = 11,762,895,945.60 × 4,784,283,014.40
  4. Step 4: Simplify right side
    7,851,485,779.20x = 56,277,023,272,688,705,536
  5. Step 5: Solve for x
    x = 56,277,023,272,688,705,536/7,851,485,779.20
  6. Step 6: Final answer
    x = 7,167,690,912.95

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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.