Finding the Fourth Proportional to 486,518,398.68, 671,406,230.98 and 277,670,350.92
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Solution
The fourth proportional to 486,518,398.68, 671,406,230.98 and 277,670,350.92 is: 383,191,271.44
Step by Step Solution
- Step 1: Write the proportion equation
486,518,398.68 : 671,406,230.98 = 277,670,350.92 : x - Step 2: Convert to fraction form
486,518,398.68/671,406,230.98 = 277,670,350.92/x - Step 3: Cross multiply
486,518,398.68x = 671,406,230.98 × 277,670,350.92 - Step 4: Simplify right side
486,518,398.68x = 186,429,603,768,956,032 - Step 5: Solve for x
x = 186,429,603,768,956,032/486,518,398.68 - Step 6: Final answer
x = 383,191,271.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.