Finding the Fourth Proportional to 1,962,607,197.42, 2,708,406,352.80 and 1,070,553,364.20
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Solution
The fourth proportional to 1,962,607,197.42, 2,708,406,352.80 and 1,070,553,364.20 is: 1,477,368,235.69
Step by Step Solution
- Step 1: Write the proportion equation
1,962,607,197.42 : 2,708,406,352.80 = 1,070,553,364.20 : x - Step 2: Convert to fraction form
1,962,607,197.42/2,708,406,352.80 = 1,070,553,364.20/x - Step 3: Cross multiply
1,962,607,197.42x = 2,708,406,352.80 × 1,070,553,364.20 - Step 4: Simplify right side
1,962,607,197.42x = 2,899,493,532,610,692,608 - Step 5: Solve for x
x = 2,899,493,532,610,692,608/1,962,607,197.42 - Step 6: Final answer
x = 1,477,368,235.69
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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.