Finding the Fourth Proportional to 489,748,575.16, 675,900,772.14 and 365,774,018.68
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Solution
The fourth proportional to 489,748,575.16, 675,900,772.14 and 365,774,018.68 is: 504,803,799.73
Step by Step Solution
- Step 1: Write the proportion equation
489,748,575.16 : 675,900,772.14 = 365,774,018.68 : x - Step 2: Convert to fraction form
489,748,575.16/675,900,772.14 = 365,774,018.68/x - Step 3: Cross multiply
489,748,575.16x = 675,900,772.14 × 365,774,018.68 - Step 4: Simplify right side
489,748,575.16x = 247,226,941,654,562,784 - Step 5: Solve for x
x = 247,226,941,654,562,784/489,748,575.16 - Step 6: Final answer
x = 504,803,799.73
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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.