Finding the Fourth Proportional to 9,119,118,505.24, 12,577,896,115.88 and 8,368,854,459.15
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Solution
The fourth proportional to 9,119,118,505.24, 12,577,896,115.88 and 8,368,854,459.15 is: 11,543,065,476.74
Step by Step Solution
- Step 1: Write the proportion equation
9,119,118,505.24 : 12,577,896,115.88 = 8,368,854,459.15 : x - Step 2: Convert to fraction form
9,119,118,505.24/12,577,896,115.88 = 8,368,854,459.15/x - Step 3: Cross multiply
9,119,118,505.24x = 12,577,896,115.88 × 8,368,854,459.15 - Step 4: Simplify right side
9,119,118,505.24x = 105,262,581,996,162,711,552 - Step 5: Solve for x
x = 105,262,581,996,162,711,552/9,119,118,505.24 - Step 6: Final answer
x = 11,543,065,476.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.