Finding the Fourth Proportional to 2,788,768,009.60, 4,187,183,092.80 and 2,103,484,681.60
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Solution
The fourth proportional to 2,788,768,009.60, 4,187,183,092.80 and 2,103,484,681.60 is: 3,158,267,544.82
Step by Step Solution
- Step 1: Write the proportion equation
2,788,768,009.60 : 4,187,183,092.80 = 2,103,484,681.60 : x - Step 2: Convert to fraction form
2,788,768,009.60/4,187,183,092.80 = 2,103,484,681.60/x - Step 3: Cross multiply
2,788,768,009.60x = 4,187,183,092.80 × 2,103,484,681.60 - Step 4: Simplify right side
2,788,768,009.60x = 8,807,675,494,759,311,360 - Step 5: Solve for x
x = 8,807,675,494,759,311,360/2,788,768,009.60 - Step 6: Final answer
x = 3,158,267,544.82
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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.