Finding the Fourth Proportional to 458,497,718.40, 687,746,577.60 and 295,239,043.20
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Solution
The fourth proportional to 458,497,718.40, 687,746,577.60 and 295,239,043.20 is: 442,858,564.80
Step by Step Solution
- Step 1: Write the proportion equation
458,497,718.40 : 687,746,577.60 = 295,239,043.20 : x - Step 2: Convert to fraction form
458,497,718.40/687,746,577.60 = 295,239,043.20/x - Step 3: Cross multiply
458,497,718.40x = 687,746,577.60 × 295,239,043.20 - Step 4: Simplify right side
458,497,718.40x = 203,049,641,534,698,560 - Step 5: Solve for x
x = 203,049,641,534,698,560/458,497,718.40 - Step 6: Final answer
x = 442,858,564.80
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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.