Finding the Fourth Proportional to 708,514,604.07, 977,944,649.60 and 411,252,613.65
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Solution
The fourth proportional to 708,514,604.07, 977,944,649.60 and 411,252,613.65 is: 567,641,500.74
Step by Step Solution
- Step 1: Write the proportion equation
708,514,604.07 : 977,944,649.60 = 411,252,613.65 : x - Step 2: Convert to fraction form
708,514,604.07/977,944,649.60 = 411,252,613.65/x - Step 3: Cross multiply
708,514,604.07x = 977,944,649.60 × 411,252,613.65 - Step 4: Simplify right side
708,514,604.07x = 402,182,293,153,033,408 - Step 5: Solve for x
x = 402,182,293,153,033,408/708,514,604.07 - Step 6: Final answer
x = 567,641,500.74
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1.5x scale
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.