Finding the Fourth Proportional to 374,759,228.95, 517,183,897.69 and 207,495,493.76
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Solution
The fourth proportional to 374,759,228.95, 517,183,897.69 and 207,495,493.76 is: 286,352,729.77
Step by Step Solution
- Step 1: Write the proportion equation
374,759,228.95 : 517,183,897.69 = 207,495,493.76 : x - Step 2: Convert to fraction form
374,759,228.95/517,183,897.69 = 207,495,493.76/x - Step 3: Cross multiply
374,759,228.95x = 517,183,897.69 × 207,495,493.76 - Step 4: Simplify right side
374,759,228.95x = 107,313,328,217,460,208 - Step 5: Solve for x
x = 107,313,328,217,460,208/374,759,228.95 - Step 6: Final answer
x = 286,352,729.77
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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.