Finding the Fourth Proportional to 578,490,748.80, 867,386,451.84 and 233,040,910.08
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Solution
The fourth proportional to 578,490,748.80, 867,386,451.84 and 233,040,910.08 is: 349,420,502.48
Step by Step Solution
- Step 1: Write the proportion equation
578,490,748.80 : 867,386,451.84 = 233,040,910.08 : x - Step 2: Convert to fraction form
578,490,748.80/867,386,451.84 = 233,040,910.08/x - Step 3: Cross multiply
578,490,748.80x = 867,386,451.84 × 233,040,910.08 - Step 4: Simplify right side
578,490,748.80x = 202,136,528,127,855,712 - Step 5: Solve for x
x = 202,136,528,127,855,712/578,490,748.80 - Step 6: Final answer
x = 349,420,502.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.