Finding the Fourth Proportional to 425,187,843.84, 586,759,219.92 and 229,617,555.84
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Solution
The fourth proportional to 425,187,843.84, 586,759,219.92 and 229,617,555.84 is: 316,872,224.59
Step by Step Solution
- Step 1: Write the proportion equation
425,187,843.84 : 586,759,219.92 = 229,617,555.84 : x - Step 2: Convert to fraction form
425,187,843.84/586,759,219.92 = 229,617,555.84/x - Step 3: Cross multiply
425,187,843.84x = 586,759,219.92 × 229,617,555.84 - Step 4: Simplify right side
425,187,843.84x = 134,730,217,944,615,440 - Step 5: Solve for x
x = 134,730,217,944,615,440/425,187,843.84 - Step 6: Final answer
x = 316,872,224.59
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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.