Finding the Fourth Proportional to 1,570,498,605.70, 2,355,747,908.55 and 1,328,633,901.70
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Solution
The fourth proportional to 1,570,498,605.70, 2,355,747,908.55 and 1,328,633,901.70 is: 1,992,950,852.55
Step by Step Solution
- Step 1: Write the proportion equation
1,570,498,605.70 : 2,355,747,908.55 = 1,328,633,901.70 : x - Step 2: Convert to fraction form
1,570,498,605.70/2,355,747,908.55 = 1,328,633,901.70/x - Step 3: Cross multiply
1,570,498,605.70x = 2,355,747,908.55 × 1,328,633,901.70 - Step 4: Simplify right side
1,570,498,605.70x = 3,129,926,535,158,401,536 - Step 5: Solve for x
x = 3,129,926,535,158,401,536/1,570,498,605.70 - Step 6: Final answer
x = 1,992,950,852.55
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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.