Finding the Fourth Proportional to 608,144,511.62, 839,246,040.53 and 357,259,477.79
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Solution
The fourth proportional to 608,144,511.62, 839,246,040.53 and 357,259,477.79 is: 493,021,965.08
Step by Step Solution
- Step 1: Write the proportion equation
608,144,511.62 : 839,246,040.53 = 357,259,477.79 : x - Step 2: Convert to fraction form
608,144,511.62/839,246,040.53 = 357,259,477.79/x - Step 3: Cross multiply
608,144,511.62x = 839,246,040.53 × 357,259,477.79 - Step 4: Simplify right side
608,144,511.62x = 299,828,602,171,090,432 - Step 5: Solve for x
x = 299,828,602,171,090,432/608,144,511.62 - Step 6: Final answer
x = 493,021,965.08
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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.