Finding the Fourth Proportional to 4,428,259,565.40, 6,643,397,117.70 and 2,587,064,506.20
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Solution
The fourth proportional to 4,428,259,565.40, 6,643,397,117.70 and 2,587,064,506.20 is: 3,881,185,515.43
Step by Step Solution
- Step 1: Write the proportion equation
4,428,259,565.40 : 6,643,397,117.70 = 2,587,064,506.20 : x - Step 2: Convert to fraction form
4,428,259,565.40/6,643,397,117.70 = 2,587,064,506.20/x - Step 3: Cross multiply
4,428,259,565.40x = 6,643,397,117.70 × 2,587,064,506.20 - Step 4: Simplify right side
4,428,259,565.40x = 17,186,896,883,793,051,648 - Step 5: Solve for x
x = 17,186,896,883,793,051,648/4,428,259,565.40 - Step 6: Final answer
x = 3,881,185,515.43
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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.