Finding the Fourth Proportional to 2,455,808,545,378.80, 3,683,712,818,068.20 and 865,306,251,874.80
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Solution
The fourth proportional to 2,455,808,545,378.80, 3,683,712,818,068.20 and 865,306,251,874.80 is: 1,297,959,377,812.20
Step by Step Solution
- Step 1: Write the proportion equation
2,455,808,545,378.80 : 3,683,712,818,068.20 = 865,306,251,874.80 : x - Step 2: Convert to fraction form
2,455,808,545,378.80/3,683,712,818,068.20 = 865,306,251,874.80/x - Step 3: Cross multiply
2,455,808,545,378.80x = 3,683,712,818,068.20 × 865,306,251,874.80 - Step 4: Simplify right side
2,455,808,545,378.80x = 3,187,539,731,585,751,595,352,064 - Step 5: Solve for x
x = 3,187,539,731,585,751,595,352,064/2,455,808,545,378.80 - Step 6: Final answer
x = 1,297,959,377,812.20
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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.