Finding the Fourth Proportional to 1,793,663,386.20, 2,690,495,079.30 and 566,831,837.70
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Solution
The fourth proportional to 1,793,663,386.20, 2,690,495,079.30 and 566,831,837.70 is: 850,247,756.55
Step by Step Solution
- Step 1: Write the proportion equation
1,793,663,386.20 : 2,690,495,079.30 = 566,831,837.70 : x - Step 2: Convert to fraction form
1,793,663,386.20/2,690,495,079.30 = 566,831,837.70/x - Step 3: Cross multiply
1,793,663,386.20x = 2,690,495,079.30 × 566,831,837.70 - Step 4: Simplify right side
1,793,663,386.20x = 1,525,058,270,122,426,368 - Step 5: Solve for x
x = 1,525,058,270,122,426,368/1,793,663,386.20 - Step 6: Final answer
x = 850,247,756.55
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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.