Finding the Fourth Proportional to 650,664,583.80, 975,996,875.70 and 219,843,079.80
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Solution
The fourth proportional to 650,664,583.80, 975,996,875.70 and 219,843,079.80 is: 329,764,619.70
Step by Step Solution
- Step 1: Write the proportion equation
650,664,583.80 : 975,996,875.70 = 219,843,079.80 : x - Step 2: Convert to fraction form
650,664,583.80/975,996,875.70 = 219,843,079.80/x - Step 3: Cross multiply
650,664,583.80x = 975,996,875.70 × 219,843,079.80 - Step 4: Simplify right side
650,664,583.80x = 214,566,159,029,065,792 - Step 5: Solve for x
x = 214,566,159,029,065,792/650,664,583.80 - Step 6: Final answer
x = 329,764,619.70
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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.