Finding the Fourth Proportional to 1,955,358,427.10, 2,698,312,488.66 and 1,108,642,711.05
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Solution
The fourth proportional to 1,955,358,427.10, 2,698,312,488.66 and 1,108,642,711.05 is: 1,529,880,369.37
Step by Step Solution
- Step 1: Write the proportion equation
1,955,358,427.10 : 2,698,312,488.66 = 1,108,642,711.05 : x - Step 2: Convert to fraction form
1,955,358,427.10/2,698,312,488.66 = 1,108,642,711.05/x - Step 3: Cross multiply
1,955,358,427.10x = 2,698,312,488.66 × 1,108,642,711.05 - Step 4: Simplify right side
1,955,358,427.10x = 2,991,464,472,688,094,720 - Step 5: Solve for x
x = 2,991,464,472,688,094,720/1,955,358,427.10 - Step 6: Final answer
x = 1,529,880,369.37
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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.