Finding the Fourth Proportional to 1,062,291,844.80, 1,593,437,767.20 and 880,893,316.80
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Solution
The fourth proportional to 1,062,291,844.80, 1,593,437,767.20 and 880,893,316.80 is: 1,321,339,975.20
Step by Step Solution
- Step 1: Write the proportion equation
1,062,291,844.80 : 1,593,437,767.20 = 880,893,316.80 : x - Step 2: Convert to fraction form
1,062,291,844.80/1,593,437,767.20 = 880,893,316.80/x - Step 3: Cross multiply
1,062,291,844.80x = 1,593,437,767.20 × 880,893,316.80 - Step 4: Simplify right side
1,062,291,844.80x = 1,403,648,679,863,194,112 - Step 5: Solve for x
x = 1,403,648,679,863,194,112/1,062,291,844.80 - Step 6: Final answer
x = 1,321,339,975.20
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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.