Finding the Fourth Proportional to 453,509,675.20, 636,122,868.80 and 453,509,675.20
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Solution
The fourth proportional to 453,509,675.20, 636,122,868.80 and 453,509,675.20 is: 636,122,868.80
Step by Step Solution
- Step 1: Write the proportion equation
453,509,675.20 : 636,122,868.80 = 453,509,675.20 : x - Step 2: Convert to fraction form
453,509,675.20/636,122,868.80 = 453,509,675.20/x - Step 3: Cross multiply
453,509,675.20x = 636,122,868.80 × 453,509,675.20 - Step 4: Simplify right side
453,509,675.20x = 288,487,875,616,780,160 - Step 5: Solve for x
x = 288,487,875,616,780,160/453,509,675.20 - Step 6: Final answer
x = 636,122,868.80
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.