Finding the Fourth Proportional to 51,125,784,495.80, 76,688,676,743.70 and 38,728,328,847.80
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Solution
The fourth proportional to 51,125,784,495.80, 76,688,676,743.70 and 38,728,328,847.80 is: 58,092,493,271.70
Step by Step Solution
- Step 1: Write the proportion equation
51,125,784,495.80 : 76,688,676,743.70 = 38,728,328,847.80 : x - Step 2: Convert to fraction form
51,125,784,495.80/76,688,676,743.70 = 38,728,328,847.80/x - Step 3: Cross multiply
51,125,784,495.80x = 76,688,676,743.70 × 38,728,328,847.80 - Step 4: Simplify right side
51,125,784,495.80x = 2,970,024,291,832,645,550,080 - Step 5: Solve for x
x = 2,970,024,291,832,645,550,080/51,125,784,495.80 - Step 6: Final answer
x = 58,092,493,271.70
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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.