Finding the Fourth Proportional to 86,252,050,281.62, 129,380,711,146.74 and 29,591,118,486.74
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Solution
The fourth proportional to 86,252,050,281.62, 129,380,711,146.74 and 29,591,118,486.74 is: 44,387,581,987.23
Step by Step Solution
- Step 1: Write the proportion equation
86,252,050,281.62 : 129,380,711,146.74 = 29,591,118,486.74 : x - Step 2: Convert to fraction form
86,252,050,281.62/129,380,711,146.74 = 29,591,118,486.74/x - Step 3: Cross multiply
86,252,050,281.62x = 129,380,711,146.74 × 29,591,118,486.74 - Step 4: Simplify right side
86,252,050,281.62x = 3,828,519,953,442,254,356,480 - Step 5: Solve for x
x = 3,828,519,953,442,254,356,480/86,252,050,281.62 - Step 6: Final answer
x = 44,387,581,987.23
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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.