Home / 28,881,401,595.76-39,841,665,862.98-18,862,760,894.32

Finding the Fourth Proportional to 28,881,401,595.76, 39,841,665,862.98 and 18,862,760,894.32

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Solution

The fourth proportional to 28,881,401,595.76, 39,841,665,862.98 and 18,862,760,894.32 is: 26,021,029,980.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881,401,595.76 : 39,841,665,862.98 = 18,862,760,894.32 : x
  2. Step 2: Convert to fraction form
    28,881,401,595.76/39,841,665,862.98 = 18,862,760,894.32/x
  3. Step 3: Cross multiply
    28,881,401,595.76x = 39,841,665,862.98 × 18,862,760,894.32
  4. Step 4: Simplify right side
    28,881,401,595.76x = 751,523,816,804,783,226,880
  5. Step 5: Solve for x
    x = 751,523,816,804,783,226,880/28,881,401,595.76
  6. Step 6: Final answer
    x = 26,021,029,980.59

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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.