Finding the Fourth Proportional to 1,497,888,655.20, 2,245,937,187.60 and 772,294,543.20
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Solution
The fourth proportional to 1,497,888,655.20, 2,245,937,187.60 and 772,294,543.20 is: 1,157,979,952.87
Step by Step Solution
- Step 1: Write the proportion equation
1,497,888,655.20 : 2,245,937,187.60 = 772,294,543.20 : x - Step 2: Convert to fraction form
1,497,888,655.20/2,245,937,187.60 = 772,294,543.20/x - Step 3: Cross multiply
1,497,888,655.20x = 2,245,937,187.60 × 772,294,543.20 - Step 4: Simplify right side
1,497,888,655.20x = 1,734,525,034,353,434,624 - Step 5: Solve for x
x = 1,734,525,034,353,434,624/1,497,888,655.20 - Step 6: Final answer
x = 1,157,979,952.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.