Finding the Fourth Proportional to 7,922,352,002.80, 11,883,528,004.20 and 4,249,031,810.80
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Solution
The fourth proportional to 7,922,352,002.80, 11,883,528,004.20 and 4,249,031,810.80 is: 6,373,547,716.20
Step by Step Solution
- Step 1: Write the proportion equation
7,922,352,002.80 : 11,883,528,004.20 = 4,249,031,810.80 : x - Step 2: Convert to fraction form
7,922,352,002.80/11,883,528,004.20 = 4,249,031,810.80/x - Step 3: Cross multiply
7,922,352,002.80x = 11,883,528,004.20 × 4,249,031,810.80 - Step 4: Simplify right side
7,922,352,002.80x = 50,493,488,514,378,440,704 - Step 5: Solve for x
x = 50,493,488,514,378,440,704/7,922,352,002.80 - Step 6: Final answer
x = 6,373,547,716.20
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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.