Finding the Fourth Proportional to 423,655,643.01, 584,629,875.84 and 232,915,271.75
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Solution
The fourth proportional to 423,655,643.01, 584,629,875.84 and 232,915,271.75 is: 321,414,877.03
Step by Step Solution
- Step 1: Write the proportion equation
423,655,643.01 : 584,629,875.84 = 232,915,271.75 : x - Step 2: Convert to fraction form
423,655,643.01/584,629,875.84 = 232,915,271.75/x - Step 3: Cross multiply
423,655,643.01x = 584,629,875.84 × 232,915,271.75 - Step 4: Simplify right side
423,655,643.01x = 136,169,226,400,354,640 - Step 5: Solve for x
x = 136,169,226,400,354,640/423,655,643.01 - Step 6: Final answer
x = 321,414,877.03
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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.