Finding the Fourth Proportional to 714,984,776.08, 986,761,656.60 and 417,701,330.75
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Solution
The fourth proportional to 714,984,776.08, 986,761,656.60 and 417,701,330.75 is: 576,476,130.52
Step by Step Solution
- Step 1: Write the proportion equation
714,984,776.08 : 986,761,656.60 = 417,701,330.75 : x - Step 2: Convert to fraction form
714,984,776.08/986,761,656.60 = 417,701,330.75/x - Step 3: Cross multiply
714,984,776.08x = 986,761,656.60 × 417,701,330.75 - Step 4: Simplify right side
714,984,776.08x = 412,171,657,094,894,528 - Step 5: Solve for x
x = 412,171,657,094,894,528/714,984,776.08 - Step 6: Final answer
x = 576,476,130.52
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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.