Finding the Fourth Proportional to 1,444,473,025.84, 1,993,982,982.80 and 975,209,966.76
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Solution
The fourth proportional to 1,444,473,025.84, 1,993,982,982.80 and 975,209,966.76 is: 1,346,201,724.50
Step by Step Solution
- Step 1: Write the proportion equation
1,444,473,025.84 : 1,993,982,982.80 = 975,209,966.76 : x - Step 2: Convert to fraction form
1,444,473,025.84/1,993,982,982.80 = 975,209,966.76/x - Step 3: Cross multiply
1,444,473,025.84x = 1,993,982,982.80 × 975,209,966.76 - Step 4: Simplify right side
1,444,473,025.84x = 1,944,552,078,376,393,472 - Step 5: Solve for x
x = 1,944,552,078,376,393,472/1,444,473,025.84 - Step 6: Final answer
x = 1,346,201,724.50
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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.