Finding the Fourth Proportional to 1,339,406,944.10, 1,848,485,115.50 and 803,578,774.08
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Solution
The fourth proportional to 1,339,406,944.10, 1,848,485,115.50 and 803,578,774.08 is: 1,109,000,822.76
Step by Step Solution
- Step 1: Write the proportion equation
1,339,406,944.10 : 1,848,485,115.50 = 803,578,774.08 : x - Step 2: Convert to fraction form
1,339,406,944.10/1,848,485,115.50 = 803,578,774.08/x - Step 3: Cross multiply
1,339,406,944.10x = 1,848,485,115.50 × 803,578,774.08 - Step 4: Simplify right side
1,339,406,944.10x = 1,485,403,403,014,599,424 - Step 5: Solve for x
x = 1,485,403,403,014,599,424/1,339,406,944.10 - Step 6: Final answer
x = 1,109,000,822.76
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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.