Home / 20,501,371,476.82-30,748,950,049.28-5,579,699,827.51

Finding the Fourth Proportional to 20,501,371,476.82, 30,748,950,049.28 and 5,579,699,827.51

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Solution

The fourth proportional to 20,501,371,476.82, 30,748,950,049.28 and 5,579,699,827.51 is: 8,368,704,087.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501,371,476.82 : 30,748,950,049.28 = 5,579,699,827.51 : x
  2. Step 2: Convert to fraction form
    20,501,371,476.82/30,748,950,049.28 = 5,579,699,827.51/x
  3. Step 3: Cross multiply
    20,501,371,476.82x = 30,748,950,049.28 × 5,579,699,827.51
  4. Step 4: Simplify right side
    20,501,371,476.82x = 171,569,911,286,021,095,424
  5. Step 5: Solve for x
    x = 171,569,911,286,021,095,424/20,501,371,476.82
  6. Step 6: Final answer
    x = 8,368,704,087.92

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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.