Finding the Fourth Proportional to 2,009,827,543.96, 2,771,637,163.77 and 1,330,569,247.96
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Solution
The fourth proportional to 2,009,827,543.96, 2,771,637,163.77 and 1,330,569,247.96 is: 1,834,911,252.81
Step by Step Solution
- Step 1: Write the proportion equation
2,009,827,543.96 : 2,771,637,163.77 = 1,330,569,247.96 : x - Step 2: Convert to fraction form
2,009,827,543.96/2,771,637,163.77 = 1,330,569,247.96/x - Step 3: Cross multiply
2,009,827,543.96x = 2,771,637,163.77 × 1,330,569,247.96 - Step 4: Simplify right side
2,009,827,543.96x = 3,687,855,176,615,436,288 - Step 5: Solve for x
x = 3,687,855,176,615,436,288/2,009,827,543.96 - Step 6: Final answer
x = 1,834,911,252.81
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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.