Finding the Fourth Proportional to 1,219,110,494.96, 1,682,512,048.16 and 683,406,848.16
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Solution
The fourth proportional to 1,219,110,494.96, 1,682,512,048.16 and 683,406,848.16 is: 943,179,687.63
Step by Step Solution
- Step 1: Write the proportion equation
1,219,110,494.96 : 1,682,512,048.16 = 683,406,848.16 : x - Step 2: Convert to fraction form
1,219,110,494.96/1,682,512,048.16 = 683,406,848.16/x - Step 3: Cross multiply
1,219,110,494.96x = 1,682,512,048.16 × 683,406,848.16 - Step 4: Simplify right side
1,219,110,494.96x = 1,149,840,255,824,251,776 - Step 5: Solve for x
x = 1,149,840,255,824,251,776/1,219,110,494.96 - Step 6: Final answer
x = 943,179,687.63
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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.