Finding the Fourth Proportional to 1,326,069,429.70, 1,985,277,769.35 and 1,173,014,421.70
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Solution
The fourth proportional to 1,326,069,429.70, 1,985,277,769.35 and 1,173,014,421.70 is: 1,756,136,897.79
Step by Step Solution
- Step 1: Write the proportion equation
1,326,069,429.70 : 1,985,277,769.35 = 1,173,014,421.70 : x - Step 2: Convert to fraction form
1,326,069,429.70/1,985,277,769.35 = 1,173,014,421.70/x - Step 3: Cross multiply
1,326,069,429.70x = 1,985,277,769.35 × 1,173,014,421.70 - Step 4: Simplify right side
1,326,069,429.70x = 2,328,759,454,527,955,968 - Step 5: Solve for x
x = 2,328,759,454,527,955,968/1,326,069,429.70 - Step 6: Final answer
x = 1,756,136,897.79
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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.