Finding the Fourth Proportional to 1,866,589,565.29, 2,799,848,306.04 and 557,378,698.57
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Solution
The fourth proportional to 1,866,589,565.29, 2,799,848,306.04 and 557,378,698.57 is: 836,057,285.45
Step by Step Solution
- Step 1: Write the proportion equation
1,866,589,565.29 : 2,799,848,306.04 = 557,378,698.57 : x - Step 2: Convert to fraction form
1,866,589,565.29/2,799,848,306.04 = 557,378,698.57/x - Step 3: Cross multiply
1,866,589,565.29x = 2,799,848,306.04 × 557,378,698.57 - Step 4: Simplify right side
1,866,589,565.29x = 1,560,575,805,013,994,496 - Step 5: Solve for x
x = 1,560,575,805,013,994,496/1,866,589,565.29 - Step 6: Final answer
x = 836,057,285.45
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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.