Finding the Fourth Proportional to 1,565,781,012.42, 2,349,587,368.62 and 583,885,896.90
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Solution
The fourth proportional to 1,565,781,012.42, 2,349,587,368.62 and 583,885,896.90 is: 876,170,369.41
Step by Step Solution
- Step 1: Write the proportion equation
1,565,781,012.42 : 2,349,587,368.62 = 583,885,896.90 : x - Step 2: Convert to fraction form
1,565,781,012.42/2,349,587,368.62 = 583,885,896.90/x - Step 3: Cross multiply
1,565,781,012.42x = 2,349,587,368.62 × 583,885,896.90 - Step 4: Simplify right side
1,565,781,012.42x = 1,371,890,928,071,599,616 - Step 5: Solve for x
x = 1,371,890,928,071,599,616/1,565,781,012.42 - Step 6: Final answer
x = 876,170,369.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.