Finding the Fourth Proportional to 1,130,210,913.97, 1,559,340,522.79 and 659,973,021.49
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Solution
The fourth proportional to 1,130,210,913.97, 1,559,340,522.79 and 659,973,021.49 is: 910,558,076.94
Step by Step Solution
- Step 1: Write the proportion equation
1,130,210,913.97 : 1,559,340,522.79 = 659,973,021.49 : x - Step 2: Convert to fraction form
1,130,210,913.97/1,559,340,522.79 = 659,973,021.49/x - Step 3: Cross multiply
1,130,210,913.97x = 1,559,340,522.79 × 659,973,021.49 - Step 4: Simplify right side
1,130,210,913.97x = 1,029,122,676,357,512,448 - Step 5: Solve for x
x = 1,029,122,676,357,512,448/1,130,210,913.97 - Step 6: Final answer
x = 910,558,076.94
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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.