Finding the Fourth Proportional to 2,690,443,859.84, 3,712,814,838.24 and 1,501,013,013.02
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Solution
The fourth proportional to 2,690,443,859.84, 3,712,814,838.24 and 1,501,013,013.02 is: 2,071,399,247.66
Step by Step Solution
- Step 1: Write the proportion equation
2,690,443,859.84 : 3,712,814,838.24 = 1,501,013,013.02 : x - Step 2: Convert to fraction form
2,690,443,859.84/3,712,814,838.24 = 1,501,013,013.02/x - Step 3: Cross multiply
2,690,443,859.84x = 3,712,814,838.24 × 1,501,013,013.02 - Step 4: Simplify right side
2,690,443,859.84x = 5,572,983,387,131,985,920 - Step 5: Solve for x
x = 5,572,983,387,131,985,920/2,690,443,859.84 - Step 6: Final answer
x = 2,071,399,247.66
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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.