Finding the Fourth Proportional to 537,832,393.01, 742,198,623.45 and 328,973,193.17
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Solution
The fourth proportional to 537,832,393.01, 742,198,623.45 and 328,973,193.17 is: 453,976,841.66
Step by Step Solution
- Step 1: Write the proportion equation
537,832,393.01 : 742,198,623.45 = 328,973,193.17 : x - Step 2: Convert to fraction form
537,832,393.01/742,198,623.45 = 328,973,193.17/x - Step 3: Cross multiply
537,832,393.01x = 742,198,623.45 × 328,973,193.17 - Step 4: Simplify right side
537,832,393.01x = 244,163,451,123,346,784 - Step 5: Solve for x
x = 244,163,451,123,346,784/537,832,393.01 - Step 6: Final answer
x = 453,976,841.66
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Double scale
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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.