Finding the Fourth Proportional to 568,252,888.59, 778,493,430.13 and 547,007,462.18
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Solution
The fourth proportional to 568,252,888.59, 778,493,430.13 and 547,007,462.18 is: 749,387,682.99
Step by Step Solution
- Step 1: Write the proportion equation
568,252,888.59 : 778,493,430.13 = 547,007,462.18 : x - Step 2: Convert to fraction form
568,252,888.59/778,493,430.13 = 547,007,462.18/x - Step 3: Cross multiply
568,252,888.59x = 778,493,430.13 × 547,007,462.18 - Step 4: Simplify right side
568,252,888.59x = 425,841,715,533,954,432 - Step 5: Solve for x
x = 425,841,715,533,954,432/568,252,888.59 - Step 6: Final answer
x = 749,387,682.99
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.