Finding the Fourth Proportional to 6,240,447,715.20, 9,360,671,572.80 and 2,098,514,659.20
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Solution
The fourth proportional to 6,240,447,715.20, 9,360,671,572.80 and 2,098,514,659.20 is: 3,147,771,988.80
Step by Step Solution
- Step 1: Write the proportion equation
6,240,447,715.20 : 9,360,671,572.80 = 2,098,514,659.20 : x - Step 2: Convert to fraction form
6,240,447,715.20/9,360,671,572.80 = 2,098,514,659.20/x - Step 3: Cross multiply
6,240,447,715.20x = 9,360,671,572.80 × 2,098,514,659.20 - Step 4: Simplify right side
6,240,447,715.20x = 19,643,506,515,477,520,384 - Step 5: Solve for x
x = 19,643,506,515,477,520,384/6,240,447,715.20 - Step 6: Final answer
x = 3,147,771,988.80
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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.