Finding the Fourth Proportional to 482,841,702.84, 724,262,787.54 and 159,725,574.84
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Solution
The fourth proportional to 482,841,702.84, 724,262,787.54 and 159,725,574.84 is: 239,588,439.43
Step by Step Solution
- Step 1: Write the proportion equation
482,841,702.84 : 724,262,787.54 = 159,725,574.84 : x - Step 2: Convert to fraction form
482,841,702.84/724,262,787.54 = 159,725,574.84/x - Step 3: Cross multiply
482,841,702.84x = 724,262,787.54 × 159,725,574.84 - Step 4: Simplify right side
482,841,702.84x = 115,683,290,075,047,280 - Step 5: Solve for x
x = 115,683,290,075,047,280/482,841,702.84 - Step 6: Final answer
x = 239,588,439.43
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1.5x scale
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.