Finding the Fourth Proportional to 756,599,547.03, 1,044,104,475.84 and 422,071,803.05
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Solution
The fourth proportional to 756,599,547.03, 1,044,104,475.84 and 422,071,803.05 is: 582,457,470.96
Step by Step Solution
- Step 1: Write the proportion equation
756,599,547.03 : 1,044,104,475.84 = 422,071,803.05 : x - Step 2: Convert to fraction form
756,599,547.03/1,044,104,475.84 = 422,071,803.05/x - Step 3: Cross multiply
756,599,547.03x = 1,044,104,475.84 × 422,071,803.05 - Step 4: Simplify right side
756,599,547.03x = 440,687,058,690,363,968 - Step 5: Solve for x
x = 440,687,058,690,363,968/756,599,547.03 - Step 6: Final answer
x = 582,457,470.96
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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.