Finding the Fourth Proportional to 4,292,352,056.90, 6,438,528,085.35 and 4,123,046,764.10
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Solution
The fourth proportional to 4,292,352,056.90, 6,438,528,085.35 and 4,123,046,764.10 is: 6,184,570,146.15
Step by Step Solution
- Step 1: Write the proportion equation
4,292,352,056.90 : 6,438,528,085.35 = 4,123,046,764.10 : x - Step 2: Convert to fraction form
4,292,352,056.90/6,438,528,085.35 = 4,123,046,764.10/x - Step 3: Cross multiply
4,292,352,056.90x = 6,438,528,085.35 × 4,123,046,764.10 - Step 4: Simplify right side
4,292,352,056.90x = 26,546,352,387,869,286,400 - Step 5: Solve for x
x = 26,546,352,387,869,286,400/4,292,352,056.90 - Step 6: Final answer
x = 6,184,570,146.15
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Double scale
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Similar ratio
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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.