Finding the Fourth Proportional to 328,386,077,411.07, 492,399,548,655.12 and 260,751,602,892.63
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Solution
The fourth proportional to 328,386,077,411.07, 492,399,548,655.12 and 260,751,602,892.63 is: 390,984,820,634.49
Step by Step Solution
- Step 1: Write the proportion equation
328,386,077,411.07 : 492,399,548,655.12 = 260,751,602,892.63 : x - Step 2: Convert to fraction form
328,386,077,411.07/492,399,548,655.12 = 260,751,602,892.63/x - Step 3: Cross multiply
328,386,077,411.07x = 492,399,548,655.12 × 260,751,602,892.63 - Step 4: Simplify right side
328,386,077,411.07x = 128,393,971,575,430,097,928,192 - Step 5: Solve for x
x = 128,393,971,575,430,097,928,192/328,386,077,411.07 - Step 6: Final answer
x = 390,984,820,634.49
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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.