Finding the Fourth Proportional to 346,301,813.68, 477,887,356.04 and 197,620,269.84
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Solution
The fourth proportional to 346,301,813.68, 477,887,356.04 and 197,620,269.84 is: 272,710,752.65
Step by Step Solution
- Step 1: Write the proportion equation
346,301,813.68 : 477,887,356.04 = 197,620,269.84 : x - Step 2: Convert to fraction form
346,301,813.68/477,887,356.04 = 197,620,269.84/x - Step 3: Cross multiply
346,301,813.68x = 477,887,356.04 × 197,620,269.84 - Step 4: Simplify right side
346,301,813.68x = 94,440,228,253,748,960 - Step 5: Solve for x
x = 94,440,228,253,748,960/346,301,813.68 - Step 6: Final answer
x = 272,710,752.65
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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.