Finding the Fourth Proportional to 708,514,619.35, 977,944,670.46 and 411,252,628.84
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Solution
The fourth proportional to 708,514,619.35, 977,944,670.46 and 411,252,628.84 is: 567,641,521.58
Step by Step Solution
- Step 1: Write the proportion equation
708,514,619.35 : 977,944,670.46 = 411,252,628.84 : x - Step 2: Convert to fraction form
708,514,619.35/977,944,670.46 = 411,252,628.84/x - Step 3: Cross multiply
708,514,619.35x = 977,944,670.46 × 411,252,628.84 - Step 4: Simplify right side
708,514,619.35x = 402,182,316,586,742,464 - Step 5: Solve for x
x = 402,182,316,586,742,464/708,514,619.35 - Step 6: Final answer
x = 567,641,521.58
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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.