Finding the Fourth Proportional to 1,008,413,445.28, 1,513,299,953.04 and 353,370,356.68
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Solution
The fourth proportional to 1,008,413,445.28, 1,513,299,953.04 and 353,370,356.68 is: 530,293,746.75
Step by Step Solution
- Step 1: Write the proportion equation
1,008,413,445.28 : 1,513,299,953.04 = 353,370,356.68 : x - Step 2: Convert to fraction form
1,008,413,445.28/1,513,299,953.04 = 353,370,356.68/x - Step 3: Cross multiply
1,008,413,445.28x = 1,513,299,953.04 × 353,370,356.68 - Step 4: Simplify right side
1,008,413,445.28x = 534,755,344,169,572,032 - Step 5: Solve for x
x = 534,755,344,169,572,032/1,008,413,445.28 - Step 6: Final answer
x = 530,293,746.75
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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.