Finding the Fourth Proportional to 291,898,735,474.84, 437,688,487,690.94 and 231,779,202,569.56
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Solution
The fourth proportional to 291,898,735,474.84, 437,688,487,690.94 and 231,779,202,569.56 is: 347,542,062,783.71
Step by Step Solution
- Step 1: Write the proportion equation
291,898,735,474.84 : 437,688,487,690.94 = 231,779,202,569.56 : x - Step 2: Convert to fraction form
291,898,735,474.84/437,688,487,690.94 = 231,779,202,569.56/x - Step 3: Cross multiply
291,898,735,474.84x = 437,688,487,690.94 × 231,779,202,569.56 - Step 4: Simplify right side
291,898,735,474.84x = 101,447,088,650,882,748,776,448 - Step 5: Solve for x
x = 101,447,088,650,882,748,776,448/291,898,735,474.84 - Step 6: Final answer
x = 347,542,062,783.71
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.