Finding the Fourth Proportional to 2,918,978,909.03, 4,379,031,690.99 and 953,303,538.66
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Solution
The fourth proportional to 2,918,978,909.03, 4,379,031,690.99 and 953,303,538.66 is: 1,430,139,283.99
Step by Step Solution
- Step 1: Write the proportion equation
2,918,978,909.03 : 4,379,031,690.99 = 953,303,538.66 : x - Step 2: Convert to fraction form
2,918,978,909.03/4,379,031,690.99 = 953,303,538.66/x - Step 3: Cross multiply
2,918,978,909.03x = 4,379,031,690.99 × 953,303,538.66 - Step 4: Simplify right side
2,918,978,909.03x = 4,174,546,406,925,050,368 - Step 5: Solve for x
x = 4,174,546,406,925,050,368/2,918,978,909.03 - Step 6: Final answer
x = 1,430,139,283.99
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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.