Finding the Fourth Proportional to 346,725,585.99, 478,481,948.15 and 187,955,217.99
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Solution
The fourth proportional to 346,725,585.99, 478,481,948.15 and 187,955,217.99 is: 259,378,547.48
Step by Step Solution
- Step 1: Write the proportion equation
346,725,585.99 : 478,481,948.15 = 187,955,217.99 : x - Step 2: Convert to fraction form
346,725,585.99/478,481,948.15 = 187,955,217.99/x - Step 3: Cross multiply
346,725,585.99x = 478,481,948.15 × 187,955,217.99 - Step 4: Simplify right side
346,725,585.99x = 89,933,178,867,873,360 - Step 5: Solve for x
x = 89,933,178,867,873,360/346,725,585.99 - Step 6: Final answer
x = 259,378,547.48
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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.