Finding the Fourth Proportional to 708,383,316.19, 977,882,481.58 and 457,610,009.17
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Solution
The fourth proportional to 708,383,316.19, 977,882,481.58 and 457,610,009.17 is: 631,704,334.55
Step by Step Solution
- Step 1: Write the proportion equation
708,383,316.19 : 977,882,481.58 = 457,610,009.17 : x - Step 2: Convert to fraction form
708,383,316.19/977,882,481.58 = 457,610,009.17/x - Step 3: Cross multiply
708,383,316.19x = 977,882,481.58 × 457,610,009.17 - Step 4: Simplify right side
708,383,316.19x = 447,488,811,363,006,208 - Step 5: Solve for x
x = 447,488,811,363,006,208/708,383,316.19 - Step 6: Final answer
x = 631,704,334.55
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1.5x scale
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.