Finding the Fourth Proportional to 1,303,380,482.74, 1,798,652,420.85 and 708,664,958.98
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Solution
The fourth proportional to 1,303,380,482.74, 1,798,652,420.85 and 708,664,958.98 is: 977,950,767.96
Step by Step Solution
- Step 1: Write the proportion equation
1,303,380,482.74 : 1,798,652,420.85 = 708,664,958.98 : x - Step 2: Convert to fraction form
1,303,380,482.74/1,798,652,420.85 = 708,664,958.98/x - Step 3: Cross multiply
1,303,380,482.74x = 1,798,652,420.85 × 708,664,958.98 - Step 4: Simplify right side
1,303,380,482.74x = 1,274,641,944,040,942,848 - Step 5: Solve for x
x = 1,274,641,944,040,942,848/1,303,380,482.74 - Step 6: Final answer
x = 977,950,767.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.