Finding the Fourth Proportional to 2,455,808,545,315.20, 3,683,712,817,972.80 and 865,306,251,811.23
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Solution
The fourth proportional to 2,455,808,545,315.20, 3,683,712,817,972.80 and 865,306,251,811.23 is: 1,297,959,377,716.85
Step by Step Solution
- Step 1: Write the proportion equation
2,455,808,545,315.20 : 3,683,712,817,972.80 = 865,306,251,811.23 : x - Step 2: Convert to fraction form
2,455,808,545,315.20/3,683,712,817,972.80 = 865,306,251,811.23/x - Step 3: Cross multiply
2,455,808,545,315.20x = 3,683,712,817,972.80 × 865,306,251,811.23 - Step 4: Simplify right side
2,455,808,545,315.20x = 3,187,539,731,269,027,285,172,224 - Step 5: Solve for x
x = 3,187,539,731,269,027,285,172,224/2,455,808,545,315.20 - Step 6: Final answer
x = 1,297,959,377,716.85
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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.