Finding the Fourth Proportional to 2,130,385,109,868.70, 3,195,254,785,913.80 and 579,810,451,247.68
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Solution
The fourth proportional to 2,130,385,109,868.70, 3,195,254,785,913.80 and 579,810,451,247.68 is: 869,627,801,419.52
Step by Step Solution
- Step 1: Write the proportion equation
2,130,385,109,868.70 : 3,195,254,785,913.80 = 579,810,451,247.68 : x - Step 2: Convert to fraction form
2,130,385,109,868.70/3,195,254,785,913.80 = 579,810,451,247.68/x - Step 3: Cross multiply
2,130,385,109,868.70x = 3,195,254,785,913.80 × 579,810,451,247.68 - Step 4: Simplify right side
2,130,385,109,868.70x = 1,852,642,119,271,989,565,718,528 - Step 5: Solve for x
x = 1,852,642,119,271,989,565,718,528/2,130,385,109,868.70 - Step 6: Final answer
x = 869,627,801,419.52
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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.