Finding the Fourth Proportional to 651,926,406.24, 899,675,460.72 and 358,578,672.48
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Solution
The fourth proportional to 651,926,406.24, 899,675,460.72 and 358,578,672.48 is: 494,847,929.58
Step by Step Solution
- Step 1: Write the proportion equation
651,926,406.24 : 899,675,460.72 = 358,578,672.48 : x - Step 2: Convert to fraction form
651,926,406.24/899,675,460.72 = 358,578,672.48/x - Step 3: Cross multiply
651,926,406.24x = 899,675,460.72 × 358,578,672.48 - Step 4: Simplify right side
651,926,406.24x = 322,604,432,367,809,984 - Step 5: Solve for x
x = 322,604,432,367,809,984/651,926,406.24 - Step 6: Final answer
x = 494,847,929.58
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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.