Finding the Fourth Proportional to 1,930,872,655.20, 2,896,308,982.80 and 1,156,905,602.40
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Solution
The fourth proportional to 1,930,872,655.20, 2,896,308,982.80 and 1,156,905,602.40 is: 1,735,358,403.60
Step by Step Solution
- Step 1: Write the proportion equation
1,930,872,655.20 : 2,896,308,982.80 = 1,156,905,602.40 : x - Step 2: Convert to fraction form
1,930,872,655.20/2,896,308,982.80 = 1,156,905,602.40/x - Step 3: Cross multiply
1,930,872,655.20x = 2,896,308,982.80 × 1,156,905,602.40 - Step 4: Simplify right side
1,930,872,655.20x = 3,350,756,088,482,765,824 - Step 5: Solve for x
x = 3,350,756,088,482,765,824/1,930,872,655.20 - Step 6: Final answer
x = 1,735,358,403.60
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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.