Finding the Fourth Proportional to 901,897,627.68, 1,244,176,445.16 and 782,652,854.88
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Solution
The fourth proportional to 901,897,627.68, 1,244,176,445.16 and 782,652,854.88 is: 1,079,677,135.07
Step by Step Solution
- Step 1: Write the proportion equation
901,897,627.68 : 1,244,176,445.16 = 782,652,854.88 : x - Step 2: Convert to fraction form
901,897,627.68/1,244,176,445.16 = 782,652,854.88/x - Step 3: Cross multiply
901,897,627.68x = 1,244,176,445.16 × 782,652,854.88 - Step 4: Simplify right side
901,897,627.68x = 973,758,246,778,923,776 - Step 5: Solve for x
x = 973,758,246,778,923,776/901,897,627.68 - Step 6: Final answer
x = 1,079,677,135.07
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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.