Home / 6,929,139,693.39-10,389,558,821.45-2,205,421,214.91

Finding the Fourth Proportional to 6,929,139,693.39, 10,389,558,821.45 and 2,205,421,214.91

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Solution

The fourth proportional to 6,929,139,693.39, 10,389,558,821.45 and 2,205,421,214.91 is: 3,306,810,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929,139,693.39 : 10,389,558,821.45 = 2,205,421,214.91 : x
  2. Step 2: Convert to fraction form
    6,929,139,693.39/10,389,558,821.45 = 2,205,421,214.91/x
  3. Step 3: Cross multiply
    6,929,139,693.39x = 10,389,558,821.45 × 2,205,421,214.91
  4. Step 4: Simplify right side
    6,929,139,693.39x = 22,913,353,438,370,136,064
  5. Step 5: Solve for x
    x = 22,913,353,438,370,136,064/6,929,139,693.39
  6. Step 6: Final answer
    x = 3,306,810,722.87

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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.