Home / 918,799,364,351.55-1,268,054,307,243.60-522,932,662,020.57

Finding the Fourth Proportional to 918,799,364,351.55, 1,268,054,307,243.60 and 522,932,662,020.57

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Solution

The fourth proportional to 918,799,364,351.55, 1,268,054,307,243.60 and 522,932,662,020.57 is: 721,710,353,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,799,364,351.55 : 1,268,054,307,243.60 = 522,932,662,020.57 : x
  2. Step 2: Convert to fraction form
    918,799,364,351.55/1,268,054,307,243.60 = 522,932,662,020.57/x
  3. Step 3: Cross multiply
    918,799,364,351.55x = 1,268,054,307,243.60 × 522,932,662,020.57
  4. Step 4: Simplify right side
    918,799,364,351.55x = 663,107,014,473,545,611,739,136
  5. Step 5: Solve for x
    x = 663,107,014,473,545,611,739,136/918,799,364,351.55
  6. Step 6: Final answer
    x = 721,710,353,969.98

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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.