Finding the Fourth Proportional to 367,921,167.30, 551,881,750.95 and 286,291,829.70
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Solution
The fourth proportional to 367,921,167.30, 551,881,750.95 and 286,291,829.70 is: 429,437,744.55
Step by Step Solution
- Step 1: Write the proportion equation
367,921,167.30 : 551,881,750.95 = 286,291,829.70 : x - Step 2: Convert to fraction form
367,921,167.30/551,881,750.95 = 286,291,829.70/x - Step 3: Cross multiply
367,921,167.30x = 551,881,750.95 × 286,291,829.70 - Step 4: Simplify right side
367,921,167.30x = 157,999,236,257,515,232 - Step 5: Solve for x
x = 157,999,236,257,515,232/367,921,167.30 - Step 6: Final answer
x = 429,437,744.55
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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.