Finding the Fourth Proportional to 953,278,972.44, 1,315,540,713.61 and 524,134,393.92
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Solution
The fourth proportional to 953,278,972.44, 1,315,540,713.61 and 524,134,393.92 is: 723,314,113.23
Step by Step Solution
- Step 1: Write the proportion equation
953,278,972.44 : 1,315,540,713.61 = 524,134,393.92 : x - Step 2: Convert to fraction form
953,278,972.44/1,315,540,713.61 = 524,134,393.92/x - Step 3: Cross multiply
953,278,972.44x = 1,315,540,713.61 × 524,134,393.92 - Step 4: Simplify right side
953,278,972.44x = 689,520,134,605,690,624 - Step 5: Solve for x
x = 689,520,134,605,690,624/953,278,972.44 - Step 6: Final answer
x = 723,314,113.23
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Double scale
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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.