Finding the Fourth Proportional to 561,922,397.90, 842,883,596.85 and 553,313,053.70
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Solution
The fourth proportional to 561,922,397.90, 842,883,596.85 and 553,313,053.70 is: 829,969,580.55
Step by Step Solution
- Step 1: Write the proportion equation
561,922,397.90 : 842,883,596.85 = 553,313,053.70 : x - Step 2: Convert to fraction form
561,922,397.90/842,883,596.85 = 553,313,053.70/x - Step 3: Cross multiply
561,922,397.90x = 842,883,596.85 × 553,313,053.70 - Step 4: Simplify right side
561,922,397.90x = 466,378,496,886,713,280 - Step 5: Solve for x
x = 466,378,496,886,713,280/561,922,397.90 - Step 6: Final answer
x = 829,969,580.55
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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.