Finding the Fourth Proportional to 343,709,774.31, 474,359,877.54 and 193,027,193.53
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Solution
The fourth proportional to 343,709,774.31, 474,359,877.54 and 193,027,193.53 is: 266,400,209.50
Step by Step Solution
- Step 1: Write the proportion equation
343,709,774.31 : 474,359,877.54 = 193,027,193.53 : x - Step 2: Convert to fraction form
343,709,774.31/474,359,877.54 = 193,027,193.53/x - Step 3: Cross multiply
343,709,774.31x = 474,359,877.54 × 193,027,193.53 - Step 4: Simplify right side
343,709,774.31x = 91,564,355,884,780,688 - Step 5: Solve for x
x = 91,564,355,884,780,688/343,709,774.31 - Step 6: Final answer
x = 266,400,209.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.