Finding the Fourth Proportional to 2,645,649,359.24, 3,968,484,438 and 1,071,786,394.76
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Solution
The fourth proportional to 2,645,649,359.24, 3,968,484,438 and 1,071,786,394.76 is: 1,607,683,804.96
Step by Step Solution
- Step 1: Write the proportion equation
2,645,649,359.24 : 3,968,484,438 = 1,071,786,394.76 : x - Step 2: Convert to fraction form
2,645,649,359.24/3,968,484,438 = 1,071,786,394.76/x - Step 3: Cross multiply
2,645,649,359.24x = 3,968,484,438 × 1,071,786,394.76 - Step 4: Simplify right side
2,645,649,359.24x = 4,253,367,628,465,184,768 - Step 5: Solve for x
x = 4,253,367,628,465,184,768/2,645,649,359.24 - Step 6: Final answer
x = 1,607,683,804.96
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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.