Finding the Fourth Proportional to 873,176,321.30, 1,307,851,294.35 and 776,241,482.90
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Solution
The fourth proportional to 873,176,321.30, 1,307,851,294.35 and 776,241,482.90 is: 1,162,661,427.45
Step by Step Solution
- Step 1: Write the proportion equation
873,176,321.30 : 1,307,851,294.35 = 776,241,482.90 : x - Step 2: Convert to fraction form
873,176,321.30/1,307,851,294.35 = 776,241,482.90/x - Step 3: Cross multiply
873,176,321.30x = 1,307,851,294.35 × 776,241,482.90 - Step 4: Simplify right side
873,176,321.30x = 1,015,208,428,138,928,256 - Step 5: Solve for x
x = 1,015,208,428,138,928,256/873,176,321.30 - Step 6: Final answer
x = 1,162,661,427.45
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Double scale
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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.