Finding the Fourth Proportional to 2,217,652,686.05, 3,059,871,444.81 and 1,312,959,398.18
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Solution
The fourth proportional to 2,217,652,686.05, 3,059,871,444.81 and 1,312,959,398.18 is: 1,811,594,302.37
Step by Step Solution
- Step 1: Write the proportion equation
2,217,652,686.05 : 3,059,871,444.81 = 1,312,959,398.18 : x - Step 2: Convert to fraction form
2,217,652,686.05/3,059,871,444.81 = 1,312,959,398.18/x - Step 3: Cross multiply
2,217,652,686.05x = 3,059,871,444.81 × 1,312,959,398.18 - Step 4: Simplify right side
2,217,652,686.05x = 4,017,486,970,670,605,312 - Step 5: Solve for x
x = 4,017,486,970,670,605,312/2,217,652,686.05 - Step 6: Final answer
x = 1,811,594,302.37
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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.