Finding the Fourth Proportional to 626,472,795.57, 939,125,002.35 and 211,659,521.48
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Solution
The fourth proportional to 626,472,795.57, 939,125,002.35 and 211,659,521.48 is: 317,291,907.99
Step by Step Solution
- Step 1: Write the proportion equation
626,472,795.57 : 939,125,002.35 = 211,659,521.48 : x - Step 2: Convert to fraction form
626,472,795.57/939,125,002.35 = 211,659,521.48/x - Step 3: Cross multiply
626,472,795.57x = 939,125,002.35 × 211,659,521.48 - Step 4: Simplify right side
626,472,795.57x = 198,774,748,606,924,672 - Step 5: Solve for x
x = 198,774,748,606,924,672/626,472,795.57 - Step 6: Final answer
x = 317,291,907.99
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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.