Finding the Fourth Proportional to 933,357,857.70, 1,399,700,863.35 and 473,143,073.70
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Solution
The fourth proportional to 933,357,857.70, 1,399,700,863.35 and 473,143,073.70 is: 709,544,322.45
Step by Step Solution
- Step 1: Write the proportion equation
933,357,857.70 : 1,399,700,863.35 = 473,143,073.70 : x - Step 2: Convert to fraction form
933,357,857.70/1,399,700,863.35 = 473,143,073.70/x - Step 3: Cross multiply
933,357,857.70x = 1,399,700,863.35 × 473,143,073.70 - Step 4: Simplify right side
933,357,857.70x = 662,258,768,745,962,624 - Step 5: Solve for x
x = 662,258,768,745,962,624/933,357,857.70 - Step 6: Final answer
x = 709,544,322.45
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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.