Finding the Fourth Proportional to 561,488,117.80, 842,232,176.70 and 561,488,117.80
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Solution
The fourth proportional to 561,488,117.80, 842,232,176.70 and 561,488,117.80 is: 842,232,176.70
Step by Step Solution
- Step 1: Write the proportion equation
561,488,117.80 : 842,232,176.70 = 561,488,117.80 : x - Step 2: Convert to fraction form
561,488,117.80/842,232,176.70 = 561,488,117.80/x - Step 3: Cross multiply
561,488,117.80x = 842,232,176.70 × 561,488,117.80 - Step 4: Simplify right side
561,488,117.80x = 472,903,359,645,880,000 - Step 5: Solve for x
x = 472,903,359,645,880,000/561,488,117.80 - Step 6: Final answer
x = 842,232,176.70
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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.