Finding the Fourth Proportional to 7,447,827,365.70, 11,172,888,961.08 and 2,539,353,259.14
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Solution
The fourth proportional to 7,447,827,365.70, 11,172,888,961.08 and 2,539,353,259.14 is: 3,809,421,272.03
Step by Step Solution
- Step 1: Write the proportion equation
7,447,827,365.70 : 11,172,888,961.08 = 2,539,353,259.14 : x - Step 2: Convert to fraction form
7,447,827,365.70/11,172,888,961.08 = 2,539,353,259.14/x - Step 3: Cross multiply
7,447,827,365.70x = 11,172,888,961.08 × 2,539,353,259.14 - Step 4: Simplify right side
7,447,827,365.70x = 28,371,911,997,327,826,944 - Step 5: Solve for x
x = 28,371,911,997,327,826,944/7,447,827,365.70 - Step 6: Final answer
x = 3,809,421,272.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.