Finding the Fourth Proportional to 619,929,919.04, 855,471,685.92 and 341,465,449.28
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Solution
The fourth proportional to 619,929,919.04, 855,471,685.92 and 341,465,449.28 is: 471,204,913.02
Step by Step Solution
- Step 1: Write the proportion equation
619,929,919.04 : 855,471,685.92 = 341,465,449.28 : x - Step 2: Convert to fraction form
619,929,919.04/855,471,685.92 = 341,465,449.28/x - Step 3: Cross multiply
619,929,919.04x = 855,471,685.92 × 341,465,449.28 - Step 4: Simplify right side
619,929,919.04x = 292,114,023,578,991,808 - Step 5: Solve for x
x = 292,114,023,578,991,808/619,929,919.04 - Step 6: Final answer
x = 471,204,913.02
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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.