Finding the Fourth Proportional to 1,624,358,963.18, 2,241,642,636.52 and 881,803,023.50
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Solution
The fourth proportional to 1,624,358,963.18, 2,241,642,636.52 and 881,803,023.50 is: 1,216,902,974.83
Step by Step Solution
- Step 1: Write the proportion equation
1,624,358,963.18 : 2,241,642,636.52 = 881,803,023.50 : x - Step 2: Convert to fraction form
1,624,358,963.18/2,241,642,636.52 = 881,803,023.50/x - Step 3: Cross multiply
1,624,358,963.18x = 2,241,642,636.52 × 881,803,023.50 - Step 4: Simplify right side
1,624,358,963.18x = 1,976,687,254,489,847,552 - Step 5: Solve for x
x = 1,976,687,254,489,847,552/1,624,358,963.18 - Step 6: Final answer
x = 1,216,902,974.83
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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.