Finding the Fourth Proportional to 1,570,498,602.70, 2,355,747,904.05 and 1,328,633,898.70
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Solution
The fourth proportional to 1,570,498,602.70, 2,355,747,904.05 and 1,328,633,898.70 is: 1,992,950,848.05
Step by Step Solution
- Step 1: Write the proportion equation
1,570,498,602.70 : 2,355,747,904.05 = 1,328,633,898.70 : x - Step 2: Convert to fraction form
1,570,498,602.70/2,355,747,904.05 = 1,328,633,898.70/x - Step 3: Cross multiply
1,570,498,602.70x = 2,355,747,904.05 × 1,328,633,898.70 - Step 4: Simplify right side
1,570,498,602.70x = 3,129,926,522,112,305,152 - Step 5: Solve for x
x = 3,129,926,522,112,305,152/1,570,498,602.70 - Step 6: Final answer
x = 1,992,950,848.05
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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.