Finding the Fourth Proportional to 394,643,387.84, 592,169,195.04 and 286,361,300.48
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Solution
The fourth proportional to 394,643,387.84, 592,169,195.04 and 286,361,300.48 is: 429,690,059.48
Step by Step Solution
- Step 1: Write the proportion equation
394,643,387.84 : 592,169,195.04 = 286,361,300.48 : x - Step 2: Convert to fraction form
394,643,387.84/592,169,195.04 = 286,361,300.48/x - Step 3: Cross multiply
394,643,387.84x = 592,169,195.04 × 286,361,300.48 - Step 4: Simplify right side
394,643,387.84x = 169,574,340,795,849,152 - Step 5: Solve for x
x = 169,574,340,795,849,152/394,643,387.84 - Step 6: Final answer
x = 429,690,059.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.