Finding the Fourth Proportional to 708,514,605.07, 977,944,650.98 and 411,252,614.65
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Solution
The fourth proportional to 708,514,605.07, 977,944,650.98 and 411,252,614.65 is: 567,641,502.12
Step by Step Solution
- Step 1: Write the proportion equation
708,514,605.07 : 977,944,650.98 = 411,252,614.65 : x - Step 2: Convert to fraction form
708,514,605.07/977,944,650.98 = 411,252,614.65/x - Step 3: Cross multiply
708,514,605.07x = 977,944,650.98 × 411,252,614.65 - Step 4: Simplify right side
708,514,605.07x = 402,182,294,698,506,688 - Step 5: Solve for x
x = 402,182,294,698,506,688/708,514,605.07 - Step 6: Final answer
x = 567,641,502.12
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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.