Finding the Fourth Proportional to 425,187,733.12, 586,759,066.88 and 229,617,445.12
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Solution
The fourth proportional to 425,187,733.12, 586,759,066.88 and 229,617,445.12 is: 316,872,071.66
Step by Step Solution
- Step 1: Write the proportion equation
425,187,733.12 : 586,759,066.88 = 229,617,445.12 : x - Step 2: Convert to fraction form
425,187,733.12/586,759,066.88 = 229,617,445.12/x - Step 3: Cross multiply
425,187,733.12x = 586,759,066.88 × 229,617,445.12 - Step 4: Simplify right side
425,187,733.12x = 134,730,117,837,980,816 - Step 5: Solve for x
x = 134,730,117,837,980,816/425,187,733.12 - Step 6: Final answer
x = 316,872,071.66
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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.