Finding the Fourth Proportional to 1,594,326,603.20, 2,391,489,904.80 and 974,453,820.80
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Solution
The fourth proportional to 1,594,326,603.20, 2,391,489,904.80 and 974,453,820.80 is: 1,461,680,731.20
Step by Step Solution
- Step 1: Write the proportion equation
1,594,326,603.20 : 2,391,489,904.80 = 974,453,820.80 : x - Step 2: Convert to fraction form
1,594,326,603.20/2,391,489,904.80 = 974,453,820.80/x - Step 3: Cross multiply
1,594,326,603.20x = 2,391,489,904.80 × 974,453,820.80 - Step 4: Simplify right side
1,594,326,603.20x = 2,330,396,475,136,988,160 - Step 5: Solve for x
x = 2,330,396,475,136,988,160/1,594,326,603.20 - Step 6: Final answer
x = 1,461,680,731.20
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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.