Finding the Fourth Proportional to 651,727,246.20, 977,590,869.30 and 242,730,252.60
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Solution
The fourth proportional to 651,727,246.20, 977,590,869.30 and 242,730,252.60 is: 364,095,378.90
Step by Step Solution
- Step 1: Write the proportion equation
651,727,246.20 : 977,590,869.30 = 242,730,252.60 : x - Step 2: Convert to fraction form
651,727,246.20/977,590,869.30 = 242,730,252.60/x - Step 3: Cross multiply
651,727,246.20x = 977,590,869.30 × 242,730,252.60 - Step 4: Simplify right side
651,727,246.20x = 237,290,878,644,642,560 - Step 5: Solve for x
x = 237,290,878,644,642,560/651,727,246.20 - Step 6: Final answer
x = 364,095,378.90
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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.