Finding the Fourth Proportional to 6,168,996,663.75, 8,513,215,395.98 and 3,528,797,775.75
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Solution
The fourth proportional to 6,168,996,663.75, 8,513,215,395.98 and 3,528,797,775.75 is: 4,869,740,930.54
Step by Step Solution
- Step 1: Write the proportion equation
6,168,996,663.75 : 8,513,215,395.98 = 3,528,797,775.75 : x - Step 2: Convert to fraction form
6,168,996,663.75/8,513,215,395.98 = 3,528,797,775.75/x - Step 3: Cross multiply
6,168,996,663.75x = 8,513,215,395.98 × 3,528,797,775.75 - Step 4: Simplify right side
6,168,996,663.75x = 30,041,415,553,797,238,784 - Step 5: Solve for x
x = 30,041,415,553,797,238,784/6,168,996,663.75 - Step 6: Final answer
x = 4,869,740,930.54
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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.