Finding the Fourth Proportional to 756,058,276.80, 1,134,087,415.20 and 626,918,113.80
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Solution
The fourth proportional to 756,058,276.80, 1,134,087,415.20 and 626,918,113.80 is: 940,377,170.70
Step by Step Solution
- Step 1: Write the proportion equation
756,058,276.80 : 1,134,087,415.20 = 626,918,113.80 : x - Step 2: Convert to fraction form
756,058,276.80/1,134,087,415.20 = 626,918,113.80/x - Step 3: Cross multiply
756,058,276.80x = 1,134,087,415.20 × 626,918,113.80 - Step 4: Simplify right side
756,058,276.80x = 710,979,943,221,501,440 - Step 5: Solve for x
x = 710,979,943,221,501,440/756,058,276.80 - Step 6: Final answer
x = 940,377,170.70
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Double scale
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Similar ratio
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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.