Finding the Fourth Proportional to 4,762,335,799.90, 6,572,391,519.90 and 2,857,168,973.17
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Solution
The fourth proportional to 4,762,335,799.90, 6,572,391,519.90 and 2,857,168,973.17 is: 3,943,114,034.63
Step by Step Solution
- Step 1: Write the proportion equation
4,762,335,799.90 : 6,572,391,519.90 = 2,857,168,973.17 : x - Step 2: Convert to fraction form
4,762,335,799.90/6,572,391,519.90 = 2,857,168,973.17/x - Step 3: Cross multiply
4,762,335,799.90x = 6,572,391,519.90 × 2,857,168,973.17 - Step 4: Simplify right side
4,762,335,799.90x = 18,778,433,130,183,897,088 - Step 5: Solve for x
x = 18,778,433,130,183,897,088/4,762,335,799.90 - Step 6: Final answer
x = 3,943,114,034.63
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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.