Finding the Fourth Proportional to 3,507,679,305.90, 4,841,221,141.26 and 2,098,138,341.60
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Solution
The fourth proportional to 3,507,679,305.90, 4,841,221,141.26 and 2,098,138,341.60 is: 2,895,803,980.59
Step by Step Solution
- Step 1: Write the proportion equation
3,507,679,305.90 : 4,841,221,141.26 = 2,098,138,341.60 : x - Step 2: Convert to fraction form
3,507,679,305.90/4,841,221,141.26 = 2,098,138,341.60/x - Step 3: Cross multiply
3,507,679,305.90x = 4,841,221,141.26 × 2,098,138,341.60 - Step 4: Simplify right side
3,507,679,305.90x = 10,157,551,696,642,115,584 - Step 5: Solve for x
x = 10,157,551,696,642,115,584/3,507,679,305.90 - Step 6: Final answer
x = 2,895,803,980.59
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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.