Finding the Fourth Proportional to 974,376,715.02, 1,344,515,968.35 and 556,716,052.14
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Solution
The fourth proportional to 974,376,715.02, 1,344,515,968.35 and 556,716,052.14 is: 768,197,361.86
Step by Step Solution
- Step 1: Write the proportion equation
974,376,715.02 : 1,344,515,968.35 = 556,716,052.14 : x - Step 2: Convert to fraction form
974,376,715.02/1,344,515,968.35 = 556,716,052.14/x - Step 3: Cross multiply
974,376,715.02x = 1,344,515,968.35 × 556,716,052.14 - Step 4: Simplify right side
974,376,715.02x = 748,513,621,939,001,088 - Step 5: Solve for x
x = 748,513,621,939,001,088/974,376,715.02 - Step 6: Final answer
x = 768,197,361.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.