Finding the Fourth Proportional to 737,211,748.74, 1,017,345,335.41 and 402,684,143.06
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Solution
The fourth proportional to 737,211,748.74, 1,017,345,335.41 and 402,684,143.06 is: 555,700,360.56
Step by Step Solution
- Step 1: Write the proportion equation
737,211,748.74 : 1,017,345,335.41 = 402,684,143.06 : x - Step 2: Convert to fraction form
737,211,748.74/1,017,345,335.41 = 402,684,143.06/x - Step 3: Cross multiply
737,211,748.74x = 1,017,345,335.41 × 402,684,143.06 - Step 4: Simplify right side
737,211,748.74x = 409,668,834,585,664,128 - Step 5: Solve for x
x = 409,668,834,585,664,128/737,211,748.74 - Step 6: Final answer
x = 555,700,360.56
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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.