Finding the Fourth Proportional to 1,713,423,456.13, 2,363,654,149.53 and 1,119,055,855.87
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Solution
The fourth proportional to 1,713,423,456.13, 2,363,654,149.53 and 1,119,055,855.87 is: 1,543,728,730.82
Step by Step Solution
- Step 1: Write the proportion equation
1,713,423,456.13 : 2,363,654,149.53 = 1,119,055,855.87 : x - Step 2: Convert to fraction form
1,713,423,456.13/2,363,654,149.53 = 1,119,055,855.87/x - Step 3: Cross multiply
1,713,423,456.13x = 2,363,654,149.53 × 1,119,055,855.87 - Step 4: Simplify right side
1,713,423,456.13x = 2,645,061,017,282,971,136 - Step 5: Solve for x
x = 2,645,061,017,282,971,136/1,713,423,456.13 - Step 6: Final answer
x = 1,543,728,730.82
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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.