Finding the Fourth Proportional to 1,712,068,108.14, 2,563,742,544.21 and 1,128,031,719.18
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Solution
The fourth proportional to 1,712,068,108.14, 2,563,742,544.21 and 1,128,031,719.18 is: 1,689,175,153.68
Step by Step Solution
- Step 1: Write the proportion equation
1,712,068,108.14 : 2,563,742,544.21 = 1,128,031,719.18 : x - Step 2: Convert to fraction form
1,712,068,108.14/2,563,742,544.21 = 1,128,031,719.18/x - Step 3: Cross multiply
1,712,068,108.14x = 2,563,742,544.21 × 1,128,031,719.18 - Step 4: Simplify right side
1,712,068,108.14x = 2,891,982,909,680,113,664 - Step 5: Solve for x
x = 2,891,982,909,680,113,664/1,712,068,108.14 - Step 6: Final answer
x = 1,689,175,153.68
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1.5x scale
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.