Finding the Fourth Proportional to 352,272,032.20, 528,408,048.30 and 297,852,473.80
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Solution
The fourth proportional to 352,272,032.20, 528,408,048.30 and 297,852,473.80 is: 446,778,710.70
Step by Step Solution
- Step 1: Write the proportion equation
352,272,032.20 : 528,408,048.30 = 297,852,473.80 : x - Step 2: Convert to fraction form
352,272,032.20/528,408,048.30 = 297,852,473.80/x - Step 3: Cross multiply
352,272,032.20x = 528,408,048.30 × 297,852,473.80 - Step 4: Simplify right side
352,272,032.20x = 157,387,644,361,984,896 - Step 5: Solve for x
x = 157,387,644,361,984,896/352,272,032.20 - Step 6: Final answer
x = 446,778,710.70
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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.