Finding the Fourth Proportional to 517,502,271.96, 773,895,646.98 and 386,436,586.68
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Solution
The fourth proportional to 517,502,271.96, 773,895,646.98 and 386,436,586.68 is: 577,894,259.54
Step by Step Solution
- Step 1: Write the proportion equation
517,502,271.96 : 773,895,646.98 = 386,436,586.68 : x - Step 2: Convert to fraction form
517,502,271.96/773,895,646.98 = 386,436,586.68/x - Step 3: Cross multiply
517,502,271.96x = 773,895,646.98 × 386,436,586.68 - Step 4: Simplify right side
517,502,271.96x = 299,061,592,265,461,440 - Step 5: Solve for x
x = 299,061,592,265,461,440/517,502,271.96 - Step 6: Final answer
x = 577,894,259.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.