Finding the Fourth Proportional to 1,616,909,246.40, 2,425,363,869.60 and 1,571,559,614.40
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Solution
The fourth proportional to 1,616,909,246.40, 2,425,363,869.60 and 1,571,559,614.40 is: 2,357,339,421.60
Step by Step Solution
- Step 1: Write the proportion equation
1,616,909,246.40 : 2,425,363,869.60 = 1,571,559,614.40 : x - Step 2: Convert to fraction form
1,616,909,246.40/2,425,363,869.60 = 1,571,559,614.40/x - Step 3: Cross multiply
1,616,909,246.40x = 2,425,363,869.60 × 1,571,559,614.40 - Step 4: Simplify right side
1,616,909,246.40x = 3,811,603,907,688,267,776 - Step 5: Solve for x
x = 3,811,603,907,688,267,776/1,616,909,246.40 - Step 6: Final answer
x = 2,357,339,421.60
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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.