Finding the Fourth Proportional to 10,779,928,464.18, 16,155,438,972.44 and 8,389,766,118.17
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Solution
The fourth proportional to 10,779,928,464.18, 16,155,438,972.44 and 8,389,766,118.17 is: 12,573,400,182.14
Step by Step Solution
- Step 1: Write the proportion equation
10,779,928,464.18 : 16,155,438,972.44 = 8,389,766,118.17 : x - Step 2: Convert to fraction form
10,779,928,464.18/16,155,438,972.44 = 8,389,766,118.17/x - Step 3: Cross multiply
10,779,928,464.18x = 16,155,438,972.44 × 8,389,766,118.17 - Step 4: Simplify right side
10,779,928,464.18x = 135,540,354,515,017,547,776 - Step 5: Solve for x
x = 135,540,354,515,017,547,776/10,779,928,464.18 - Step 6: Final answer
x = 12,573,400,182.14
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1.5x scale
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.