Finding the Fourth Proportional to 974,313,862.35, 1,461,470,793.53 and 457,753,210.35
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Solution
The fourth proportional to 974,313,862.35, 1,461,470,793.53 and 457,753,210.35 is: 686,629,815.53
Step by Step Solution
- Step 1: Write the proportion equation
974,313,862.35 : 1,461,470,793.53 = 457,753,210.35 : x - Step 2: Convert to fraction form
974,313,862.35/1,461,470,793.53 = 457,753,210.35/x - Step 3: Cross multiply
974,313,862.35x = 1,461,470,793.53 × 457,753,210.35 - Step 4: Simplify right side
974,313,862.35x = 668,992,947,568,830,848 - Step 5: Solve for x
x = 668,992,947,568,830,848/974,313,862.35 - Step 6: Final answer
x = 686,629,815.53
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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.