Home / 4,978,292,379.21-7,472,754,670.10-2,143,490,926.41

Finding the Fourth Proportional to 4,978,292,379.21, 7,472,754,670.10 and 2,143,490,926.41

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Solution

The fourth proportional to 4,978,292,379.21, 7,472,754,670.10 and 2,143,490,926.41 is: 3,217,525,330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978,292,379.21 : 7,472,754,670.10 = 2,143,490,926.41 : x
  2. Step 2: Convert to fraction form
    4,978,292,379.21/7,472,754,670.10 = 2,143,490,926.41/x
  3. Step 3: Cross multiply
    4,978,292,379.21x = 7,472,754,670.10 × 2,143,490,926.41
  4. Step 4: Simplify right side
    4,978,292,379.21x = 16,017,781,830,636,587,008
  5. Step 5: Solve for x
    x = 16,017,781,830,636,587,008/4,978,292,379.21
  6. Step 6: Final answer
    x = 3,217,525,330.08

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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.