Finding the Fourth Proportional to 1,433,258,192,995.40, 2,149,872,564,641.50 and 828,498,593,132.70
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Solution
The fourth proportional to 1,433,258,192,995.40, 2,149,872,564,641.50 and 828,498,593,132.70 is: 1,242,739,377,960.62
Step by Step Solution
- Step 1: Write the proportion equation
1,433,258,192,995.40 : 2,149,872,564,641.50 = 828,498,593,132.70 : x - Step 2: Convert to fraction form
1,433,258,192,995.40/2,149,872,564,641.50 = 828,498,593,132.70/x - Step 3: Cross multiply
1,433,258,192,995.40x = 2,149,872,564,641.50 × 828,498,593,132.70 - Step 4: Simplify right side
1,433,258,192,995.40x = 1,781,166,395,220,072,375,255,040 - Step 5: Solve for x
x = 1,781,166,395,220,072,375,255,040/1,433,258,192,995.40 - Step 6: Final answer
x = 1,242,739,377,960.62
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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.