Finding the Fourth Proportional to 2,918,175,835.11, 4,377,717,248.99 and 979,932,563.43
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Solution
The fourth proportional to 2,918,175,835.11, 4,377,717,248.99 and 979,932,563.43 is: 1,470,051,130.63
Step by Step Solution
- Step 1: Write the proportion equation
2,918,175,835.11 : 4,377,717,248.99 = 979,932,563.43 : x - Step 2: Convert to fraction form
2,918,175,835.11/4,377,717,248.99 = 979,932,563.43/x - Step 3: Cross multiply
2,918,175,835.11x = 4,377,717,248.99 × 979,932,563.43 - Step 4: Simplify right side
2,918,175,835.11x = 4,289,867,685,769,597,952 - Step 5: Solve for x
x = 4,289,867,685,769,597,952/2,918,175,835.11 - Step 6: Final answer
x = 1,470,051,130.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.