Finding the Fourth Proportional to 130,368,575,831.80, 195,552,863,747.70 and 70,705,820,525.80
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Solution
The fourth proportional to 130,368,575,831.80, 195,552,863,747.70 and 70,705,820,525.80 is: 106,058,730,788.70
Step by Step Solution
- Step 1: Write the proportion equation
130,368,575,831.80 : 195,552,863,747.70 = 70,705,820,525.80 : x - Step 2: Convert to fraction form
130,368,575,831.80/195,552,863,747.70 = 70,705,820,525.80/x - Step 3: Cross multiply
130,368,575,831.80x = 195,552,863,747.70 × 70,705,820,525.80 - Step 4: Simplify right side
130,368,575,831.80x = 13,826,725,687,451,099,070,464 - Step 5: Solve for x
x = 13,826,725,687,451,099,070,464/130,368,575,831.80 - Step 6: Final answer
x = 106,058,730,788.70
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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.