Finding the Fourth Proportional to 1,186,852,173.12, 1,780,535,352.48 and 357,736,459.92
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Solution
The fourth proportional to 1,186,852,173.12, 1,780,535,352.48 and 357,736,459.92 is: 536,682,181.81
Step by Step Solution
- Step 1: Write the proportion equation
1,186,852,173.12 : 1,780,535,352.48 = 357,736,459.92 : x - Step 2: Convert to fraction form
1,186,852,173.12/1,780,535,352.48 = 357,736,459.92/x - Step 3: Cross multiply
1,186,852,173.12x = 1,780,535,352.48 × 357,736,459.92 - Step 4: Simplify right side
1,186,852,173.12x = 636,962,413,758,604,672 - Step 5: Solve for x
x = 636,962,413,758,604,672/1,186,852,173.12 - Step 6: Final answer
x = 536,682,181.81
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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.