Home / 673,371,328,715.45-929,245,030,719.75-364,715,009,479.38

Finding the Fourth Proportional to 673,371,328,715.45, 929,245,030,719.75 and 364,715,009,479.38

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Solution

The fourth proportional to 673,371,328,715.45, 929,245,030,719.75 and 364,715,009,479.38 is: 503,302,703,478.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,371,328,715.45 : 929,245,030,719.75 = 364,715,009,479.38 : x
  2. Step 2: Convert to fraction form
    673,371,328,715.45/929,245,030,719.75 = 364,715,009,479.38/x
  3. Step 3: Cross multiply
    673,371,328,715.45x = 929,245,030,719.75 × 364,715,009,479.38
  4. Step 4: Simplify right side
    673,371,328,715.45x = 338,909,610,187,620,372,971,520
  5. Step 5: Solve for x
    x = 338,909,610,187,620,372,971,520/673,371,328,715.45
  6. Step 6: Final answer
    x = 503,302,703,478.83

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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.