Finding the Fourth Proportional to 561,864,377.80, 841,117,402.68 and 339,863,875.12
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Solution
The fourth proportional to 561,864,377.80, 841,117,402.68 and 339,863,875.12 is: 508,780,109.94
Step by Step Solution
- Step 1: Write the proportion equation
561,864,377.80 : 841,117,402.68 = 339,863,875.12 : x - Step 2: Convert to fraction form
561,864,377.80/841,117,402.68 = 339,863,875.12/x - Step 3: Cross multiply
561,864,377.80x = 841,117,402.68 × 339,863,875.12 - Step 4: Simplify right side
561,864,377.80x = 285,865,419,905,694,272 - Step 5: Solve for x
x = 285,865,419,905,694,272/561,864,377.80 - Step 6: Final answer
x = 508,780,109.94
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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.