Finding the Fourth Proportional to 590,495,326.20, 885,742,989.30 and 344,599,543.80
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Solution
The fourth proportional to 590,495,326.20, 885,742,989.30 and 344,599,543.80 is: 516,899,315.70
Step by Step Solution
- Step 1: Write the proportion equation
590,495,326.20 : 885,742,989.30 = 344,599,543.80 : x - Step 2: Convert to fraction form
590,495,326.20/885,742,989.30 = 344,599,543.80/x - Step 3: Cross multiply
590,495,326.20x = 885,742,989.30 × 344,599,543.80 - Step 4: Simplify right side
590,495,326.20x = 305,226,630,036,828,288 - Step 5: Solve for x
x = 305,226,630,036,828,288/590,495,326.20 - Step 6: Final answer
x = 516,899,315.70
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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.