Finding the Fourth Proportional to 1,704,221,706.40, 2,556,332,559.60 and 877,724,663.20
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Solution
The fourth proportional to 1,704,221,706.40, 2,556,332,559.60 and 877,724,663.20 is: 1,316,586,994.80
Step by Step Solution
- Step 1: Write the proportion equation
1,704,221,706.40 : 2,556,332,559.60 = 877,724,663.20 : x - Step 2: Convert to fraction form
1,704,221,706.40/2,556,332,559.60 = 877,724,663.20/x - Step 3: Cross multiply
1,704,221,706.40x = 2,556,332,559.60 × 877,724,663.20 - Step 4: Simplify right side
1,704,221,706.40x = 2,243,756,134,902,104,064 - Step 5: Solve for x
x = 2,243,756,134,902,104,064/1,704,221,706.40 - Step 6: Final answer
x = 1,316,586,994.80
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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.