Finding the Fourth Proportional to 1,553,869,661.80, 2,330,431,244.70 and 897,401,079.40
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Solution
The fourth proportional to 1,553,869,661.80, 2,330,431,244.70 and 897,401,079.40 is: 1,345,886,058.45
Step by Step Solution
- Step 1: Write the proportion equation
1,553,869,661.80 : 2,330,431,244.70 = 897,401,079.40 : x - Step 2: Convert to fraction form
1,553,869,661.80/2,330,431,244.70 = 897,401,079.40/x - Step 3: Cross multiply
1,553,869,661.80x = 2,330,431,244.70 × 897,401,079.40 - Step 4: Simplify right side
1,553,869,661.80x = 2,091,331,514,461,265,408 - Step 5: Solve for x
x = 2,091,331,514,461,265,408/1,553,869,661.80 - Step 6: Final answer
x = 1,345,886,058.45
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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.