Finding the Fourth Proportional to 291,480,643.72, 437,297,618.85 and 104,753,435.68
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Solution
The fourth proportional to 291,480,643.72, 437,297,618.85 and 104,753,435.68 is: 157,157,701.47
Step by Step Solution
- Step 1: Write the proportion equation
291,480,643.72 : 437,297,618.85 = 104,753,435.68 : x - Step 2: Convert to fraction form
291,480,643.72/437,297,618.85 = 104,753,435.68/x - Step 3: Cross multiply
291,480,643.72x = 437,297,618.85 × 104,753,435.68 - Step 4: Simplify right side
291,480,643.72x = 45,808,427,989,220,640 - Step 5: Solve for x
x = 45,808,427,989,220,640/291,480,643.72 - Step 6: Final answer
x = 157,157,701.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.