Finding the Fourth Proportional to 4,292,355,815.20, 6,438,533,722.80 and 4,020,258,023.20
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Solution
The fourth proportional to 4,292,355,815.20, 6,438,533,722.80 and 4,020,258,023.20 is: 6,030,387,034.80
Step by Step Solution
- Step 1: Write the proportion equation
4,292,355,815.20 : 6,438,533,722.80 = 4,020,258,023.20 : x - Step 2: Convert to fraction form
4,292,355,815.20/6,438,533,722.80 = 4,020,258,023.20/x - Step 3: Cross multiply
4,292,355,815.20x = 6,438,533,722.80 × 4,020,258,023.20 - Step 4: Simplify right side
4,292,355,815.20x = 25,884,566,856,730,464,256 - Step 5: Solve for x
x = 25,884,566,856,730,464,256/4,292,355,815.20 - Step 6: Final answer
x = 6,030,387,034.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.