Finding the Fourth Proportional to 974,503,246.90, 1,461,754,870.35 and 483,292,330.60
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Solution
The fourth proportional to 974,503,246.90, 1,461,754,870.35 and 483,292,330.60 is: 724,938,495.90
Step by Step Solution
- Step 1: Write the proportion equation
974,503,246.90 : 1,461,754,870.35 = 483,292,330.60 : x - Step 2: Convert to fraction form
974,503,246.90/1,461,754,870.35 = 483,292,330.60/x - Step 3: Cross multiply
974,503,246.90x = 1,461,754,870.35 × 483,292,330.60 - Step 4: Simplify right side
974,503,246.90x = 706,454,918,057,352,320 - Step 5: Solve for x
x = 706,454,918,057,352,320/974,503,246.90 - Step 6: Final answer
x = 724,938,495.90
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Double scale
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Similar ratio
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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.