Finding the Fourth Proportional to 1,165,350,009.52, 1,608,184,742.52 and 663,559,202.08
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Solution
The fourth proportional to 1,165,350,009.52, 1,608,184,742.52 and 663,559,202.08 is: 915,712,683.59
Step by Step Solution
- Step 1: Write the proportion equation
1,165,350,009.52 : 1,608,184,742.52 = 663,559,202.08 : x - Step 2: Convert to fraction form
1,165,350,009.52/1,608,184,742.52 = 663,559,202.08/x - Step 3: Cross multiply
1,165,350,009.52x = 1,608,184,742.52 × 663,559,202.08 - Step 4: Simplify right side
1,165,350,009.52x = 1,067,125,784,543,801,472 - Step 5: Solve for x
x = 1,067,125,784,543,801,472/1,165,350,009.52 - Step 6: Final answer
x = 915,712,683.59
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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.