Finding the Fourth Proportional to 371,572,337.10, 557,358,505.65 and 249,128,330.70
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Solution
The fourth proportional to 371,572,337.10, 557,358,505.65 and 249,128,330.70 is: 373,692,496.05
Step by Step Solution
- Step 1: Write the proportion equation
371,572,337.10 : 557,358,505.65 = 249,128,330.70 : x - Step 2: Convert to fraction form
371,572,337.10/557,358,505.65 = 249,128,330.70/x - Step 3: Cross multiply
371,572,337.10x = 557,358,505.65 × 249,128,330.70 - Step 4: Simplify right side
371,572,337.10x = 138,853,794,114,031,008 - Step 5: Solve for x
x = 138,853,794,114,031,008/371,572,337.10 - Step 6: Final answer
x = 373,692,496.05
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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.