Finding the Fourth Proportional to 2,948,674,239.84, 4,069,143,661.80 and 1,610,564,051.28
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Solution
The fourth proportional to 2,948,674,239.84, 4,069,143,661.80 and 1,610,564,051.28 is: 2,222,563,758.53
Step by Step Solution
- Step 1: Write the proportion equation
2,948,674,239.84 : 4,069,143,661.80 = 1,610,564,051.28 : x - Step 2: Convert to fraction form
2,948,674,239.84/4,069,143,661.80 = 1,610,564,051.28/x - Step 3: Cross multiply
2,948,674,239.84x = 4,069,143,661.80 × 1,610,564,051.28 - Step 4: Simplify right side
2,948,674,239.84x = 6,553,616,501,188,942,848 - Step 5: Solve for x
x = 6,553,616,501,188,942,848/2,948,674,239.84 - Step 6: Final answer
x = 2,222,563,758.53
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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.