Finding the Fourth Proportional to 10,249,484,721.48, 15,370,252,360.20 and 3,525,348,126.51
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Solution
The fourth proportional to 10,249,484,721.48, 15,370,252,360.20 and 3,525,348,126.51 is: 5,286,655,069.45
Step by Step Solution
- Step 1: Write the proportion equation
10,249,484,721.48 : 15,370,252,360.20 = 3,525,348,126.51 : x - Step 2: Convert to fraction form
10,249,484,721.48/15,370,252,360.20 = 3,525,348,126.51/x - Step 3: Cross multiply
10,249,484,721.48x = 15,370,252,360.20 × 3,525,348,126.51 - Step 4: Simplify right side
10,249,484,721.48x = 54,185,490,362,016,980,992 - Step 5: Solve for x
x = 54,185,490,362,016,980,992/10,249,484,721.48 - Step 6: Final answer
x = 5,286,655,069.45
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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.