Finding the Fourth Proportional to 1,636,934,143.44, 2,455,365,763.20 and 456,483,125.76
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Solution
The fourth proportional to 1,636,934,143.44, 2,455,365,763.20 and 456,483,125.76 is: 684,714,802.34
Step by Step Solution
- Step 1: Write the proportion equation
1,636,934,143.44 : 2,455,365,763.20 = 456,483,125.76 : x - Step 2: Convert to fraction form
1,636,934,143.44/2,455,365,763.20 = 456,483,125.76/x - Step 3: Cross multiply
1,636,934,143.44x = 2,455,365,763.20 × 456,483,125.76 - Step 4: Simplify right side
1,636,934,143.44x = 1,120,833,038,469,623,808 - Step 5: Solve for x
x = 1,120,833,038,469,623,808/1,636,934,143.44 - Step 6: Final answer
x = 684,714,802.34
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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.