Finding the Fourth Proportional to 828,822,668.99, 1,143,778,936.40 and 457,547,751.23
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Solution
The fourth proportional to 828,822,668.99, 1,143,778,936.40 and 457,547,751.23 is: 631,417,913.42
Step by Step Solution
- Step 1: Write the proportion equation
828,822,668.99 : 1,143,778,936.40 = 457,547,751.23 : x - Step 2: Convert to fraction form
828,822,668.99/1,143,778,936.40 = 457,547,751.23/x - Step 3: Cross multiply
828,822,668.99x = 1,143,778,936.40 × 457,547,751.23 - Step 4: Simplify right side
828,822,668.99x = 523,333,480,246,054,592 - Step 5: Solve for x
x = 523,333,480,246,054,592/828,822,668.99 - Step 6: Final answer
x = 631,417,913.42
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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.