Finding the Fourth Proportional to 7,679,347,599.13, 11,519,021,426.34 and 2,158,605,630.88
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Solution
The fourth proportional to 7,679,347,599.13, 11,519,021,426.34 and 2,158,605,630.88 is: 3,237,908,454.09
Step by Step Solution
- Step 1: Write the proportion equation
7,679,347,599.13 : 11,519,021,426.34 = 2,158,605,630.88 : x - Step 2: Convert to fraction form
7,679,347,599.13/11,519,021,426.34 = 2,158,605,630.88/x - Step 3: Cross multiply
7,679,347,599.13x = 11,519,021,426.34 × 2,158,605,630.88 - Step 4: Simplify right side
7,679,347,599.13x = 24,865,024,513,163,915,264 - Step 5: Solve for x
x = 24,865,024,513,163,915,264/7,679,347,599.13 - Step 6: Final answer
x = 3,237,908,454.09
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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.