Home / 7,830,432,002.80-11,745,648,004.20-4,734,563,791.60

Finding the Fourth Proportional to 7,830,432,002.80, 11,745,648,004.20 and 4,734,563,791.60

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Solution

The fourth proportional to 7,830,432,002.80, 11,745,648,004.20 and 4,734,563,791.60 is: 7,101,845,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830,432,002.80 : 11,745,648,004.20 = 4,734,563,791.60 : x
  2. Step 2: Convert to fraction form
    7,830,432,002.80/11,745,648,004.20 = 4,734,563,791.60/x
  3. Step 3: Cross multiply
    7,830,432,002.80x = 11,745,648,004.20 × 4,734,563,791.60
  4. Step 4: Simplify right side
    7,830,432,002.80x = 55,610,519,749,564,129,280
  5. Step 5: Solve for x
    x = 55,610,519,749,564,129,280/7,830,432,002.80
  6. Step 6: Final answer
    x = 7,101,845,687.40

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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.