Finding the Fourth Proportional to 897,156,775.80, 1,345,735,163.70 and 877,001,383.80
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Solution
The fourth proportional to 897,156,775.80, 1,345,735,163.70 and 877,001,383.80 is: 1,315,502,075.70
Step by Step Solution
- Step 1: Write the proportion equation
897,156,775.80 : 1,345,735,163.70 = 877,001,383.80 : x - Step 2: Convert to fraction form
897,156,775.80/1,345,735,163.70 = 877,001,383.80/x - Step 3: Cross multiply
897,156,775.80x = 1,345,735,163.70 × 877,001,383.80 - Step 4: Simplify right side
897,156,775.80x = 1,180,211,600,793,219,584 - Step 5: Solve for x
x = 1,180,211,600,793,219,584/897,156,775.80 - Step 6: Final answer
x = 1,315,502,075.70
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1.5x scale
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.