Finding the Fourth Proportional to 568,252,887.84, 778,493,429.10 and 547,007,461.43
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Solution
The fourth proportional to 568,252,887.84, 778,493,429.10 and 547,007,461.43 is: 749,387,681.96
Step by Step Solution
- Step 1: Write the proportion equation
568,252,887.84 : 778,493,429.10 = 547,007,461.43 : x - Step 2: Convert to fraction form
568,252,887.84/778,493,429.10 = 547,007,461.43/x - Step 3: Cross multiply
568,252,887.84x = 778,493,429.10 × 547,007,461.43 - Step 4: Simplify right side
568,252,887.84x = 425,841,714,388,034,176 - Step 5: Solve for x
x = 425,841,714,388,034,176/568,252,887.84 - Step 6: Final answer
x = 749,387,681.96
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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.