Finding the Fourth Proportional to 562,464,106.20, 843,696,159.30 and 239,305,987.80
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Solution
The fourth proportional to 562,464,106.20, 843,696,159.30 and 239,305,987.80 is: 358,958,981.70
Step by Step Solution
- Step 1: Write the proportion equation
562,464,106.20 : 843,696,159.30 = 239,305,987.80 : x - Step 2: Convert to fraction form
562,464,106.20/843,696,159.30 = 239,305,987.80/x - Step 3: Cross multiply
562,464,106.20x = 843,696,159.30 × 239,305,987.80 - Step 4: Simplify right side
562,464,106.20x = 201,901,542,804,352,640 - Step 5: Solve for x
x = 201,901,542,804,352,640/562,464,106.20 - Step 6: Final answer
x = 358,958,981.70
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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.