Finding the Fourth Proportional to 875,301,113.60, 1,207,911,925.51 and 473,415,310.88
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Solution
The fourth proportional to 875,301,113.60, 1,207,911,925.51 and 473,415,310.88 is: 653,311,175.83
Step by Step Solution
- Step 1: Write the proportion equation
875,301,113.60 : 1,207,911,925.51 = 473,415,310.88 : x - Step 2: Convert to fraction form
875,301,113.60/1,207,911,925.51 = 473,415,310.88/x - Step 3: Cross multiply
875,301,113.60x = 1,207,911,925.51 × 473,415,310.88 - Step 4: Simplify right side
875,301,113.60x = 571,843,999,724,936,512 - Step 5: Solve for x
x = 571,843,999,724,936,512/875,301,113.60 - Step 6: Final answer
x = 653,311,175.83
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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.