Finding the Fourth Proportional to 602,407,415.60, 903,993,301.08 and 257,363,637.68
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Solution
The fourth proportional to 602,407,415.60, 903,993,301.08 and 257,363,637.68 is: 386,208,732.46
Step by Step Solution
- Step 1: Write the proportion equation
602,407,415.60 : 903,993,301.08 = 257,363,637.68 : x - Step 2: Convert to fraction form
602,407,415.60/903,993,301.08 = 257,363,637.68/x - Step 3: Cross multiply
602,407,415.60x = 903,993,301.08 × 257,363,637.68 - Step 4: Simplify right side
602,407,415.60x = 232,655,004,404,300,288 - Step 5: Solve for x
x = 232,655,004,404,300,288/602,407,415.60 - Step 6: Final answer
x = 386,208,732.46
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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.