Finding the Fourth Proportional to 1,299,877,731.19, 1,793,831,269.08 and 742,972,735.81
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Solution
The fourth proportional to 1,299,877,731.19, 1,793,831,269.08 and 742,972,735.81 is: 1,025,302,375.44
Step by Step Solution
- Step 1: Write the proportion equation
1,299,877,731.19 : 1,793,831,269.08 = 742,972,735.81 : x - Step 2: Convert to fraction form
1,299,877,731.19/1,793,831,269.08 = 742,972,735.81/x - Step 3: Cross multiply
1,299,877,731.19x = 1,793,831,269.08 × 742,972,735.81 - Step 4: Simplify right side
1,299,877,731.19x = 1,332,767,725,569,891,584 - Step 5: Solve for x
x = 1,332,767,725,569,891,584/1,299,877,731.19 - Step 6: Final answer
x = 1,025,302,375.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.