Finding the Fourth Proportional to 1,606,484,219.60, 2,398,908,239.62 and 1,311,963,600.68
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Solution
The fourth proportional to 1,606,484,219.60, 2,398,908,239.62 and 1,311,963,600.68 is: 1,959,110,617.68
Step by Step Solution
- Step 1: Write the proportion equation
1,606,484,219.60 : 2,398,908,239.62 = 1,311,963,600.68 : x - Step 2: Convert to fraction form
1,606,484,219.60/2,398,908,239.62 = 1,311,963,600.68/x - Step 3: Cross multiply
1,606,484,219.60x = 2,398,908,239.62 × 1,311,963,600.68 - Step 4: Simplify right side
1,606,484,219.60x = 3,147,280,291,752,775,680 - Step 5: Solve for x
x = 3,147,280,291,752,775,680/1,606,484,219.60 - Step 6: Final answer
x = 1,959,110,617.68
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.