Finding the Fourth Proportional to 879,809,702.63, 1,319,884,498.44 and 334,508,837.99
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Solution
The fourth proportional to 879,809,702.63, 1,319,884,498.44 and 334,508,837.99 is: 501,827,870.88
Step by Step Solution
- Step 1: Write the proportion equation
879,809,702.63 : 1,319,884,498.44 = 334,508,837.99 : x - Step 2: Convert to fraction form
879,809,702.63/1,319,884,498.44 = 334,508,837.99/x - Step 3: Cross multiply
879,809,702.63x = 1,319,884,498.44 × 334,508,837.99 - Step 4: Simplify right side
879,809,702.63x = 441,513,029,847,579,008 - Step 5: Solve for x
x = 441,513,029,847,579,008/879,809,702.63 - Step 6: Final answer
x = 501,827,870.88
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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.