Finding the Fourth Proportional to 2,578,879,000.81, 3,558,865,073.07 and 1,465,106,210.65
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Solution
The fourth proportional to 2,578,879,000.81, 3,558,865,073.07 and 1,465,106,210.65 is: 2,021,853,417.62
Step by Step Solution
- Step 1: Write the proportion equation
2,578,879,000.81 : 3,558,865,073.07 = 1,465,106,210.65 : x - Step 2: Convert to fraction form
2,578,879,000.81/3,558,865,073.07 = 1,465,106,210.65/x - Step 3: Cross multiply
2,578,879,000.81x = 3,558,865,073.07 × 1,465,106,210.65 - Step 4: Simplify right side
2,578,879,000.81x = 5,214,115,321,420,223,488 - Step 5: Solve for x
x = 5,214,115,321,420,223,488/2,578,879,000.81 - Step 6: Final answer
x = 2,021,853,417.62
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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.