Finding the Fourth Proportional to 884,752,432.64, 1,220,955,827.84 and 488,272,544
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Solution
The fourth proportional to 884,752,432.64, 1,220,955,827.84 and 488,272,544 is: 673,814,714.92
Step by Step Solution
- Step 1: Write the proportion equation
884,752,432.64 : 1,220,955,827.84 = 488,272,544 : x - Step 2: Convert to fraction form
884,752,432.64/1,220,955,827.84 = 488,272,544/x - Step 3: Cross multiply
884,752,432.64x = 1,220,955,827.84 × 488,272,544 - Step 4: Simplify right side
884,752,432.64x = 596,159,208,171,062,784 - Step 5: Solve for x
x = 596,159,208,171,062,784/884,752,432.64 - Step 6: Final answer
x = 673,814,714.92
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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.