Finding the Fourth Proportional to 346,403,688.52, 478,037,050.50 and 207,174,427.96
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Solution
The fourth proportional to 346,403,688.52, 478,037,050.50 and 207,174,427.96 is: 285,900,686.87
Step by Step Solution
- Step 1: Write the proportion equation
346,403,688.52 : 478,037,050.50 = 207,174,427.96 : x - Step 2: Convert to fraction form
346,403,688.52/478,037,050.50 = 207,174,427.96/x - Step 3: Cross multiply
346,403,688.52x = 478,037,050.50 × 207,174,427.96 - Step 4: Simplify right side
346,403,688.52x = 99,037,052,481,023,136 - Step 5: Solve for x
x = 99,037,052,481,023,136/346,403,688.52 - Step 6: Final answer
x = 285,900,686.87
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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.