Finding the Fourth Proportional to 689,544,440.19, 951,563,488.59 and 376,283,983.95
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Solution
The fourth proportional to 689,544,440.19, 951,563,488.59 and 376,283,983.95 is: 519,267,620.18
Step by Step Solution
- Step 1: Write the proportion equation
689,544,440.19 : 951,563,488.59 = 376,283,983.95 : x - Step 2: Convert to fraction form
689,544,440.19/951,563,488.59 = 376,283,983.95/x - Step 3: Cross multiply
689,544,440.19x = 951,563,488.59 × 376,283,983.95 - Step 4: Simplify right side
689,544,440.19x = 358,058,100,468,005,568 - Step 5: Solve for x
x = 358,058,100,468,005,568/689,544,440.19 - Step 6: Final answer
x = 519,267,620.18
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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.