Finding the Fourth Proportional to 1,645,771,628.74, 2,468,898,363.04 and 772,461,704.74
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Solution
The fourth proportional to 1,645,771,628.74, 2,468,898,363.04 and 772,461,704.74 is: 1,158,805,635.63
Step by Step Solution
- Step 1: Write the proportion equation
1,645,771,628.74 : 2,468,898,363.04 = 772,461,704.74 : x - Step 2: Convert to fraction form
1,645,771,628.74/2,468,898,363.04 = 772,461,704.74/x - Step 3: Cross multiply
1,645,771,628.74x = 2,468,898,363.04 × 772,461,704.74 - Step 4: Simplify right side
1,645,771,628.74x = 1,907,129,438,343,673,856 - Step 5: Solve for x
x = 1,907,129,438,343,673,856/1,645,771,628.74 - Step 6: Final answer
x = 1,158,805,635.63
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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.