Home / 7,129,347,939.42-9,839,523,268.50-4,271,603,009.82

Finding the Fourth Proportional to 7,129,347,939.42, 9,839,523,268.50 and 4,271,603,009.82

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Solution

The fourth proportional to 7,129,347,939.42, 9,839,523,268.50 and 4,271,603,009.82 is: 5,895,425,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,347,939.42 : 9,839,523,268.50 = 4,271,603,009.82 : x
  2. Step 2: Convert to fraction form
    7,129,347,939.42/9,839,523,268.50 = 4,271,603,009.82/x
  3. Step 3: Cross multiply
    7,129,347,939.42x = 9,839,523,268.50 × 4,271,603,009.82
  4. Step 4: Simplify right side
    7,129,347,939.42x = 42,030,537,208,918,523,904
  5. Step 5: Solve for x
    x = 42,030,537,208,918,523,904/7,129,347,939.42
  6. Step 6: Final answer
    x = 5,895,425,158.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.