Finding the Fourth Proportional to 402,875,374.80, 604,313,062.20 and 355,258,261.20
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Solution
The fourth proportional to 402,875,374.80, 604,313,062.20 and 355,258,261.20 is: 532,887,391.80
Step by Step Solution
- Step 1: Write the proportion equation
402,875,374.80 : 604,313,062.20 = 355,258,261.20 : x - Step 2: Convert to fraction form
402,875,374.80/604,313,062.20 = 355,258,261.20/x - Step 3: Cross multiply
402,875,374.80x = 604,313,062.20 × 355,258,261.20 - Step 4: Simplify right side
402,875,374.80x = 214,687,207,697,619,456 - Step 5: Solve for x
x = 214,687,207,697,619,456/402,875,374.80 - Step 6: Final answer
x = 532,887,391.80
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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.