Finding the Fourth Proportional to 1,565,780,869.74, 2,349,587,154.60 and 583,885,754.22
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Solution
The fourth proportional to 1,565,780,869.74, 2,349,587,154.60 and 583,885,754.22 is: 876,170,155.34
Step by Step Solution
- Step 1: Write the proportion equation
1,565,780,869.74 : 2,349,587,154.60 = 583,885,754.22 : x - Step 2: Convert to fraction form
1,565,780,869.74/2,349,587,154.60 = 583,885,754.22/x - Step 3: Cross multiply
1,565,780,869.74x = 2,349,587,154.60 × 583,885,754.22 - Step 4: Simplify right side
1,565,780,869.74x = 1,371,890,467,869,244,672 - Step 5: Solve for x
x = 1,371,890,467,869,244,672/1,565,780,869.74 - Step 6: Final answer
x = 876,170,155.34
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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.