Finding the Fourth Proportional to 6,378,614,854.80, 9,567,922,282.20 and 5,506,201,309.20
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Solution
The fourth proportional to 6,378,614,854.80, 9,567,922,282.20 and 5,506,201,309.20 is: 8,259,301,963.80
Step by Step Solution
- Step 1: Write the proportion equation
6,378,614,854.80 : 9,567,922,282.20 = 5,506,201,309.20 : x - Step 2: Convert to fraction form
6,378,614,854.80/9,567,922,282.20 = 5,506,201,309.20/x - Step 3: Cross multiply
6,378,614,854.80x = 9,567,922,282.20 × 5,506,201,309.20 - Step 4: Simplify right side
6,378,614,854.80x = 52,682,906,196,573,495,296 - Step 5: Solve for x
x = 52,682,906,196,573,495,296/6,378,614,854.80 - Step 6: Final answer
x = 8,259,301,963.80
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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.