Finding the Fourth Proportional to 6,445,824,413.80, 9,668,736,620.70 and 1,787,689,373.80
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Solution
The fourth proportional to 6,445,824,413.80, 9,668,736,620.70 and 1,787,689,373.80 is: 2,681,534,060.70
Step by Step Solution
- Step 1: Write the proportion equation
6,445,824,413.80 : 9,668,736,620.70 = 1,787,689,373.80 : x - Step 2: Convert to fraction form
6,445,824,413.80/9,668,736,620.70 = 1,787,689,373.80/x - Step 3: Cross multiply
6,445,824,413.80x = 9,668,736,620.70 × 1,787,689,373.80 - Step 4: Simplify right side
6,445,824,413.80x = 17,284,697,714,896,312,320 - Step 5: Solve for x
x = 17,284,697,714,896,312,320/6,445,824,413.80 - Step 6: Final answer
x = 2,681,534,060.70
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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.