Finding the Fourth Proportional to 608,882,252.47, 840,257,508.16 and 330,423,776.00
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Solution
The fourth proportional to 608,882,252.47, 840,257,508.16 and 330,423,776.00 is: 455,984,810.75
Step by Step Solution
- Step 1: Write the proportion equation
608,882,252.47 : 840,257,508.16 = 330,423,776.00 : x - Step 2: Convert to fraction form
608,882,252.47/840,257,508.16 = 330,423,776.00/x - Step 3: Cross multiply
608,882,252.47x = 840,257,508.16 × 330,423,776.00 - Step 4: Simplify right side
608,882,252.47x = 277,641,058,657,940,704 - Step 5: Solve for x
x = 277,641,058,657,940,704/608,882,252.47 - Step 6: Final answer
x = 455,984,810.75
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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.