Finding the Fourth Proportional to 272,207,130,655.92, 375,646,396,612.79 and 150,272,032,809.49
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Solution
The fourth proportional to 272,207,130,655.92, 375,646,396,612.79 and 150,272,032,809.49 is: 207,375,712,386.89
Step by Step Solution
- Step 1: Write the proportion equation
272,207,130,655.92 : 375,646,396,612.79 = 150,272,032,809.49 : x - Step 2: Convert to fraction form
272,207,130,655.92/375,646,396,612.79 = 150,272,032,809.49/x - Step 3: Cross multiply
272,207,130,655.92x = 375,646,396,612.79 × 150,272,032,809.49 - Step 4: Simplify right side
272,207,130,655.92x = 56,449,147,636,563,866,288,128 - Step 5: Solve for x
x = 56,449,147,636,563,866,288,128/272,207,130,655.92 - Step 6: Final answer
x = 207,375,712,386.89
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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.