Finding the Fourth Proportional to 376,918,073.98, 564,721,902.12 and 264,505,509.02
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Solution
The fourth proportional to 376,918,073.98, 564,721,902.12 and 264,505,509.02 is: 396,298,465.07
Step by Step Solution
- Step 1: Write the proportion equation
376,918,073.98 : 564,721,902.12 = 264,505,509.02 : x - Step 2: Convert to fraction form
376,918,073.98/564,721,902.12 = 264,505,509.02/x - Step 3: Cross multiply
376,918,073.98x = 564,721,902.12 × 264,505,509.02 - Step 4: Simplify right side
376,918,073.98x = 149,372,054,174,993,216 - Step 5: Solve for x
x = 149,372,054,174,993,216/376,918,073.98 - Step 6: Final answer
x = 396,298,465.07
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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.