Home / 1,118,111,235.35-1,543,062,540.07-616,318,888.95

Finding the Fourth Proportional to 1,118,111,235.35, 1,543,062,540.07 and 616,318,888.95

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Solution

The fourth proportional to 1,118,111,235.35, 1,543,062,540.07 and 616,318,888.95 is: 850,558,119.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,111,235.35 : 1,543,062,540.07 = 616,318,888.95 : x
  2. Step 2: Convert to fraction form
    1,118,111,235.35/1,543,062,540.07 = 616,318,888.95/x
  3. Step 3: Cross multiply
    1,118,111,235.35x = 1,543,062,540.07 × 616,318,888.95
  4. Step 4: Simplify right side
    1,118,111,235.35x = 951,018,590,276,307,328
  5. Step 5: Solve for x
    x = 951,018,590,276,307,328/1,118,111,235.35
  6. Step 6: Final answer
    x = 850,558,119.99

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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.