Finding the Fourth Proportional to 885,990,698.92, 1,326,368,888.70 and 654,422,110.12
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Solution
The fourth proportional to 885,990,698.92, 1,326,368,888.70 and 654,422,110.12 is: 979,700,044.25
Step by Step Solution
- Step 1: Write the proportion equation
885,990,698.92 : 1,326,368,888.70 = 654,422,110.12 : x - Step 2: Convert to fraction form
885,990,698.92/1,326,368,888.70 = 654,422,110.12/x - Step 3: Cross multiply
885,990,698.92x = 1,326,368,888.70 × 654,422,110.12 - Step 4: Simplify right side
885,990,698.92x = 868,005,126,940,573,440 - Step 5: Solve for x
x = 868,005,126,940,573,440/885,990,698.92 - Step 6: Final answer
x = 979,700,044.25
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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.