Finding the Fourth Proportional to 737,322,642.99, 1,017,520,246.85 and 402,816,831.35
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Solution
The fourth proportional to 737,322,642.99, 1,017,520,246.85 and 402,816,831.35 is: 555,895,421.85
Step by Step Solution
- Step 1: Write the proportion equation
737,322,642.99 : 1,017,520,246.85 = 402,816,831.35 : x - Step 2: Convert to fraction form
737,322,642.99/1,017,520,246.85 = 402,816,831.35/x - Step 3: Cross multiply
737,322,642.99x = 1,017,520,246.85 × 402,816,831.35 - Step 4: Simplify right side
737,322,642.99x = 409,874,281,663,485,184 - Step 5: Solve for x
x = 409,874,281,663,485,184/737,322,642.99 - Step 6: Final answer
x = 555,895,421.85
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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.