Finding the Fourth Proportional to 708,590,943.40, 1,062,886,415.10 and 652,470,773.80
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Solution
The fourth proportional to 708,590,943.40, 1,062,886,415.10 and 652,470,773.80 is: 978,706,160.70
Step by Step Solution
- Step 1: Write the proportion equation
708,590,943.40 : 1,062,886,415.10 = 652,470,773.80 : x - Step 2: Convert to fraction form
708,590,943.40/1,062,886,415.10 = 652,470,773.80/x - Step 3: Cross multiply
708,590,943.40x = 1,062,886,415.10 × 652,470,773.80 - Step 4: Simplify right side
708,590,943.40x = 693,502,321,721,804,928 - Step 5: Solve for x
x = 693,502,321,721,804,928/708,590,943.40 - Step 6: Final answer
x = 978,706,160.70
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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.