Home / 6,401,788,152.40-9,608,056,999.80-2,913,561,643.60

Finding the Fourth Proportional to 6,401,788,152.40, 9,608,056,999.80 and 2,913,561,643.60

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Solution

The fourth proportional to 6,401,788,152.40, 9,608,056,999.80 and 2,913,561,643.60 is: 4,372,788,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401,788,152.40 : 9,608,056,999.80 = 2,913,561,643.60 : x
  2. Step 2: Convert to fraction form
    6,401,788,152.40/9,608,056,999.80 = 2,913,561,643.60/x
  3. Step 3: Cross multiply
    6,401,788,152.40x = 9,608,056,999.80 × 2,913,561,643.60
  4. Step 4: Simplify right side
    6,401,788,152.40x = 27,993,666,344,139,767,808
  5. Step 5: Solve for x
    x = 27,993,666,344,139,767,808/6,401,788,152.40
  6. Step 6: Final answer
    x = 4,372,788,614.33

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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.