Finding the Fourth Proportional to 963,959,748.12, 1,330,292,512.80 and 546,258,144.60
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Solution
The fourth proportional to 963,959,748.12, 1,330,292,512.80 and 546,258,144.60 is: 753,852,140.85
Step by Step Solution
- Step 1: Write the proportion equation
963,959,748.12 : 1,330,292,512.80 = 546,258,144.60 : x - Step 2: Convert to fraction form
963,959,748.12/1,330,292,512.80 = 546,258,144.60/x - Step 3: Cross multiply
963,959,748.12x = 1,330,292,512.80 × 546,258,144.60 - Step 4: Simplify right side
963,959,748.12x = 726,683,119,817,399,808 - Step 5: Solve for x
x = 726,683,119,817,399,808/963,959,748.12 - Step 6: Final answer
x = 753,852,140.85
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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.