Finding the Fourth Proportional to 1,407,531,271.68, 2,111,572,074.24 and 425,037,795.84
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Solution
The fourth proportional to 1,407,531,271.68, 2,111,572,074.24 and 425,037,795.84 is: 637,639,786.94
Step by Step Solution
- Step 1: Write the proportion equation
1,407,531,271.68 : 2,111,572,074.24 = 425,037,795.84 : x - Step 2: Convert to fraction form
1,407,531,271.68/2,111,572,074.24 = 425,037,795.84/x - Step 3: Cross multiply
1,407,531,271.68x = 2,111,572,074.24 × 425,037,795.84 - Step 4: Simplify right side
1,407,531,271.68x = 897,497,940,192,266,368 - Step 5: Solve for x
x = 897,497,940,192,266,368/1,407,531,271.68 - Step 6: Final answer
x = 637,639,786.94
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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.