Finding the Fourth Proportional to 473,478,944.67, 653,423,717.27 and 261,781,858.09
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Solution
The fourth proportional to 473,478,944.67, 653,423,717.27 and 261,781,858.09 is: 361,271,555.48
Step by Step Solution
- Step 1: Write the proportion equation
473,478,944.67 : 653,423,717.27 = 261,781,858.09 : x - Step 2: Convert to fraction form
473,478,944.67/653,423,717.27 = 261,781,858.09/x - Step 3: Cross multiply
473,478,944.67x = 653,423,717.27 × 261,781,858.09 - Step 4: Simplify right side
473,478,944.67x = 171,054,474,828,486,656 - Step 5: Solve for x
x = 171,054,474,828,486,656/473,478,944.67 - Step 6: Final answer
x = 361,271,555.48
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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.