Finding the Fourth Proportional to 1,570,747,184.80, 2,356,098,658.80 and 709,102,794.40
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Solution
The fourth proportional to 1,570,747,184.80, 2,356,098,658.80 and 709,102,794.40 is: 1,063,644,206.40
Step by Step Solution
- Step 1: Write the proportion equation
1,570,747,184.80 : 2,356,098,658.80 = 709,102,794.40 : x - Step 2: Convert to fraction form
1,570,747,184.80/2,356,098,658.80 = 709,102,794.40/x - Step 3: Cross multiply
1,570,747,184.80x = 2,356,098,658.80 × 709,102,794.40 - Step 4: Simplify right side
1,570,747,184.80x = 1,670,716,142,837,172,224 - Step 5: Solve for x
x = 1,670,716,142,837,172,224/1,570,747,184.80 - Step 6: Final answer
x = 1,063,644,206.40
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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.