Home / 1,118,111,234.59-1,543,062,539.03-616,318,888.19

Finding the Fourth Proportional to 1,118,111,234.59, 1,543,062,539.03 and 616,318,888.19

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Solution

The fourth proportional to 1,118,111,234.59, 1,543,062,539.03 and 616,318,888.19 is: 850,558,118.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,111,234.59 : 1,543,062,539.03 = 616,318,888.19 : x
  2. Step 2: Convert to fraction form
    1,118,111,234.59/1,543,062,539.03 = 616,318,888.19/x
  3. Step 3: Cross multiply
    1,118,111,234.59x = 1,543,062,539.03 × 616,318,888.19
  4. Step 4: Simplify right side
    1,118,111,234.59x = 951,018,588,462,608,128
  5. Step 5: Solve for x
    x = 951,018,588,462,608,128/1,118,111,234.59
  6. Step 6: Final answer
    x = 850,558,118.94

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Double scale
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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.