Finding the Fourth Proportional to 57,946,752,021.80, 86,920,128,032.70 and 48,648,660,285.80
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Solution
The fourth proportional to 57,946,752,021.80, 86,920,128,032.70 and 48,648,660,285.80 is: 72,972,990,428.70
Step by Step Solution
- Step 1: Write the proportion equation
57,946,752,021.80 : 86,920,128,032.70 = 48,648,660,285.80 : x - Step 2: Convert to fraction form
57,946,752,021.80/86,920,128,032.70 = 48,648,660,285.80/x - Step 3: Cross multiply
57,946,752,021.80x = 86,920,128,032.70 × 48,648,660,285.80 - Step 4: Simplify right side
57,946,752,021.80x = 4,228,547,780,661,063,712,768 - Step 5: Solve for x
x = 4,228,547,780,661,063,712,768/57,946,752,021.80 - Step 6: Final answer
x = 72,972,990,428.70
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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.