Finding the Fourth Proportional to 566,329,209.58, 781,573,588.65 and 343,320,291.06
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Solution
The fourth proportional to 566,329,209.58, 781,573,588.65 and 343,320,291.06 is: 473,805,813.65
Step by Step Solution
- Step 1: Write the proportion equation
566,329,209.58 : 781,573,588.65 = 343,320,291.06 : x - Step 2: Convert to fraction form
566,329,209.58/781,573,588.65 = 343,320,291.06/x - Step 3: Cross multiply
566,329,209.58x = 781,573,588.65 × 343,320,291.06 - Step 4: Simplify right side
566,329,209.58x = 268,330,071,940,126,720 - Step 5: Solve for x
x = 268,330,071,940,126,720/566,329,209.58 - Step 6: Final answer
x = 473,805,813.65
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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.