Finding the Fourth Proportional to 840,758,055.18, 1,160,281,364.66 and 483,526,110.74
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Solution
The fourth proportional to 840,758,055.18, 1,160,281,364.66 and 483,526,110.74 is: 667,286,304.50
Step by Step Solution
- Step 1: Write the proportion equation
840,758,055.18 : 1,160,281,364.66 = 483,526,110.74 : x - Step 2: Convert to fraction form
840,758,055.18/1,160,281,364.66 = 483,526,110.74/x - Step 3: Cross multiply
840,758,055.18x = 1,160,281,364.66 × 483,526,110.74 - Step 4: Simplify right side
840,758,055.18x = 561,026,335,618,149,504 - Step 5: Solve for x
x = 561,026,335,618,149,504/840,758,055.18 - Step 6: Final answer
x = 667,286,304.50
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.