Finding the Fourth Proportional to 1,612,319,538,070.90, 2,225,000,877,446.20 and 870,726,302,586.90
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Solution
The fourth proportional to 1,612,319,538,070.90, 2,225,000,877,446.20 and 870,726,302,586.90 is: 1,201,602,251,616.54
Step by Step Solution
- Step 1: Write the proportion equation
1,612,319,538,070.90 : 2,225,000,877,446.20 = 870,726,302,586.90 : x - Step 2: Convert to fraction form
1,612,319,538,070.90/2,225,000,877,446.20 = 870,726,302,586.90/x - Step 3: Cross multiply
1,612,319,538,070.90x = 2,225,000,877,446.20 × 870,726,302,586.90 - Step 4: Simplify right side
1,612,319,538,070.90x = 1,937,366,787,271,338,185,719,808 - Step 5: Solve for x
x = 1,937,366,787,271,338,185,719,808/1,612,319,538,070.90 - Step 6: Final answer
x = 1,201,602,251,616.54
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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.