Finding the Fourth Proportional to 1,570,498,598.70, 2,355,747,898.05 and 1,328,633,894.70
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Solution
The fourth proportional to 1,570,498,598.70, 2,355,747,898.05 and 1,328,633,894.70 is: 1,992,950,842.05
Step by Step Solution
- Step 1: Write the proportion equation
1,570,498,598.70 : 2,355,747,898.05 = 1,328,633,894.70 : x - Step 2: Convert to fraction form
1,570,498,598.70/2,355,747,898.05 = 1,328,633,894.70/x - Step 3: Cross multiply
1,570,498,598.70x = 2,355,747,898.05 × 1,328,633,894.70 - Step 4: Simplify right side
1,570,498,598.70x = 3,129,926,504,717,510,656 - Step 5: Solve for x
x = 3,129,926,504,717,510,656/1,570,498,598.70 - Step 6: Final answer
x = 1,992,950,842.05
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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.