Finding the Fourth Proportional to 313,249,115.80, 469,873,673.70 and 232,627,547.80
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Solution
The fourth proportional to 313,249,115.80, 469,873,673.70 and 232,627,547.80 is: 348,941,321.70
Step by Step Solution
- Step 1: Write the proportion equation
313,249,115.80 : 469,873,673.70 = 232,627,547.80 : x - Step 2: Convert to fraction form
313,249,115.80/469,873,673.70 = 232,627,547.80/x - Step 3: Cross multiply
313,249,115.80x = 469,873,673.70 × 232,627,547.80 - Step 4: Simplify right side
313,249,115.80x = 109,305,560,488,608,352 - Step 5: Solve for x
x = 109,305,560,488,608,352/313,249,115.80 - Step 6: Final answer
x = 348,941,321.70
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1.5x scale
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.