Finding the Fourth Proportional to 1,114,308,197.48, 1,537,268,314.02 and 695,894,079.08
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Solution
The fourth proportional to 1,114,308,197.48, 1,537,268,314.02 and 695,894,079.08 is: 960,035,939.88
Step by Step Solution
- Step 1: Write the proportion equation
1,114,308,197.48 : 1,537,268,314.02 = 695,894,079.08 : x - Step 2: Convert to fraction form
1,114,308,197.48/1,537,268,314.02 = 695,894,079.08/x - Step 3: Cross multiply
1,114,308,197.48x = 1,537,268,314.02 × 695,894,079.08 - Step 4: Simplify right side
1,114,308,197.48x = 1,069,775,917,683,812,224 - Step 5: Solve for x
x = 1,069,775,917,683,812,224/1,114,308,197.48 - Step 6: Final answer
x = 960,035,939.88
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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.