Finding the Fourth Proportional to 602,982,187.80, 904,473,281.70 and 239,476,543.80
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Solution
The fourth proportional to 602,982,187.80, 904,473,281.70 and 239,476,543.80 is: 359,214,815.70
Step by Step Solution
- Step 1: Write the proportion equation
602,982,187.80 : 904,473,281.70 = 239,476,543.80 : x - Step 2: Convert to fraction form
602,982,187.80/904,473,281.70 = 239,476,543.80/x - Step 3: Cross multiply
602,982,187.80x = 904,473,281.70 × 239,476,543.80 - Step 4: Simplify right side
602,982,187.80x = 216,600,135,460,959,808 - Step 5: Solve for x
x = 216,600,135,460,959,808/602,982,187.80 - Step 6: Final answer
x = 359,214,815.70
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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.