Finding the Fourth Proportional to 808,641,744.56, 1,209,771,146.84 and 612,470,264.84
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Solution
The fourth proportional to 808,641,744.56, 1,209,771,146.84 and 612,470,264.84 is: 916,288,158.12
Step by Step Solution
- Step 1: Write the proportion equation
808,641,744.56 : 1,209,771,146.84 = 612,470,264.84 : x - Step 2: Convert to fraction form
808,641,744.56/1,209,771,146.84 = 612,470,264.84/x - Step 3: Cross multiply
808,641,744.56x = 1,209,771,146.84 × 612,470,264.84 - Step 4: Simplify right side
808,641,744.56x = 740,948,854,700,885,376 - Step 5: Solve for x
x = 740,948,854,700,885,376/808,641,744.56 - Step 6: Final answer
x = 916,288,158.12
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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.