Finding the Fourth Proportional to 977,750,524.52, 1,349,268,826.02 and 537,717,398.12
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Solution
The fourth proportional to 977,750,524.52, 1,349,268,826.02 and 537,717,398.12 is: 742,035,216.85
Step by Step Solution
- Step 1: Write the proportion equation
977,750,524.52 : 1,349,268,826.02 = 537,717,398.12 : x - Step 2: Convert to fraction form
977,750,524.52/1,349,268,826.02 = 537,717,398.12/x - Step 3: Cross multiply
977,750,524.52x = 1,349,268,826.02 × 537,717,398.12 - Step 4: Simplify right side
977,750,524.52x = 725,525,322,491,901,312 - Step 5: Solve for x
x = 725,525,322,491,901,312/977,750,524.52 - Step 6: Final answer
x = 742,035,216.85
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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.