Finding the Fourth Proportional to 479,252,173,725.80, 718,878,260,588.70 and 339,938,104,221.80
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Solution
The fourth proportional to 479,252,173,725.80, 718,878,260,588.70 and 339,938,104,221.80 is: 509,907,156,332.70
Step by Step Solution
- Step 1: Write the proportion equation
479,252,173,725.80 : 718,878,260,588.70 = 339,938,104,221.80 : x - Step 2: Convert to fraction form
479,252,173,725.80/718,878,260,588.70 = 339,938,104,221.80/x - Step 3: Cross multiply
479,252,173,725.80x = 718,878,260,588.70 × 339,938,104,221.80 - Step 4: Simplify right side
479,252,173,725.80x = 244,374,113,070,787,768,352,768 - Step 5: Solve for x
x = 244,374,113,070,787,768,352,768/479,252,173,725.80 - Step 6: Final answer
x = 509,907,156,332.70
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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.