Finding the Fourth Proportional to 4,217,654,725.74, 5,820,363,395.55 and 2,338,055,246.70
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Solution
The fourth proportional to 4,217,654,725.74, 5,820,363,395.55 and 2,338,055,246.70 is: 3,226,516,170.61
Step by Step Solution
- Step 1: Write the proportion equation
4,217,654,725.74 : 5,820,363,395.55 = 2,338,055,246.70 : x - Step 2: Convert to fraction form
4,217,654,725.74/5,820,363,395.55 = 2,338,055,246.70/x - Step 3: Cross multiply
4,217,654,725.74x = 5,820,363,395.55 × 2,338,055,246.70 - Step 4: Simplify right side
4,217,654,725.74x = 13,608,331,174,666,303,488 - Step 5: Solve for x
x = 13,608,331,174,666,303,488/4,217,654,725.74 - Step 6: Final answer
x = 3,226,516,170.61
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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.