Finding the Fourth Proportional to 875,301,114.03, 1,207,911,926.12 and 473,415,311.31
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Solution
The fourth proportional to 875,301,114.03, 1,207,911,926.12 and 473,415,311.31 is: 653,311,176.43
Step by Step Solution
- Step 1: Write the proportion equation
875,301,114.03 : 1,207,911,926.12 = 473,415,311.31 : x - Step 2: Convert to fraction form
875,301,114.03/1,207,911,926.12 = 473,415,311.31/x - Step 3: Cross multiply
875,301,114.03x = 1,207,911,926.12 × 473,415,311.31 - Step 4: Simplify right side
875,301,114.03x = 571,844,000,536,794,432 - Step 5: Solve for x
x = 571,844,000,536,794,432/875,301,114.03 - Step 6: Final answer
x = 653,311,176.43
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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.