Finding the Fourth Proportional to 649,981,246.00, 896,975,858.06 and 352,623,488.17
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Solution
The fourth proportional to 649,981,246.00, 896,975,858.06 and 352,623,488.17 is: 486,621,356.88
Step by Step Solution
- Step 1: Write the proportion equation
649,981,246.00 : 896,975,858.06 = 352,623,488.17 : x - Step 2: Convert to fraction form
649,981,246.00/896,975,858.06 = 352,623,488.17/x - Step 3: Cross multiply
649,981,246.00x = 896,975,858.06 × 352,623,488.17 - Step 4: Simplify right side
649,981,246.00x = 316,294,755,876,429,120 - Step 5: Solve for x
x = 316,294,755,876,429,120/649,981,246.00 - Step 6: Final answer
x = 486,621,356.88
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1.5x scale
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.