Finding the Fourth Proportional to 440,949,966.80, 608,506,125.24 and 242,707,223.12
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Solution
The fourth proportional to 440,949,966.80, 608,506,125.24 and 242,707,223.12 is: 334,933,309.96
Step by Step Solution
- Step 1: Write the proportion equation
440,949,966.80 : 608,506,125.24 = 242,707,223.12 : x - Step 2: Convert to fraction form
440,949,966.80/608,506,125.24 = 242,707,223.12/x - Step 3: Cross multiply
440,949,966.80x = 608,506,125.24 × 242,707,223.12 - Step 4: Simplify right side
440,949,966.80x = 147,688,831,908,511,360 - Step 5: Solve for x
x = 147,688,831,908,511,360/440,949,966.80 - Step 6: Final answer
x = 334,933,309.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.