Finding the Fourth Proportional to 1,324,686,654.45, 1,828,153,393.68 and 760,195,329.48
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Solution
The fourth proportional to 1,324,686,654.45, 1,828,153,393.68 and 760,195,329.48 is: 1,049,118,798.61
Step by Step Solution
- Step 1: Write the proportion equation
1,324,686,654.45 : 1,828,153,393.68 = 760,195,329.48 : x - Step 2: Convert to fraction form
1,324,686,654.45/1,828,153,393.68 = 760,195,329.48/x - Step 3: Cross multiply
1,324,686,654.45x = 1,828,153,393.68 × 760,195,329.48 - Step 4: Simplify right side
1,324,686,654.45x = 1,389,753,671,448,547,840 - Step 5: Solve for x
x = 1,389,753,671,448,547,840/1,324,686,654.45 - Step 6: Final answer
x = 1,049,118,798.61
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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.