Finding the Fourth Proportional to 84,553,590,415.20, 126,746,609,705.76 and 39,704,803,356.48
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Solution
The fourth proportional to 84,553,590,415.20, 126,746,609,705.76 and 39,704,803,356.48 is: 59,517,865,412.41
Step by Step Solution
- Step 1: Write the proportion equation
84,553,590,415.20 : 126,746,609,705.76 = 39,704,803,356.48 : x - Step 2: Convert to fraction form
84,553,590,415.20/126,746,609,705.76 = 39,704,803,356.48/x - Step 3: Cross multiply
84,553,590,415.20x = 126,746,609,705.76 × 39,704,803,356.48 - Step 4: Simplify right side
84,553,590,415.20x = 5,032,449,214,467,720,347,648 - Step 5: Solve for x
x = 5,032,449,214,467,720,347,648/84,553,590,415.20 - Step 6: Final answer
x = 59,517,865,412.41
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1.5x scale
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.