Finding the Fourth Proportional to 1,248,449,824.80, 1,872,107,866.80 and 471,837,376.80
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Solution
The fourth proportional to 1,248,449,824.80, 1,872,107,866.80 and 471,837,376.80 is: 707,541,823.00
Step by Step Solution
- Step 1: Write the proportion equation
1,248,449,824.80 : 1,872,107,866.80 = 471,837,376.80 : x - Step 2: Convert to fraction form
1,248,449,824.80/1,872,107,866.80 = 471,837,376.80/x - Step 3: Cross multiply
1,248,449,824.80x = 1,872,107,866.80 × 471,837,376.80 - Step 4: Simplify right side
1,248,449,824.80x = 883,330,464,957,555,840 - Step 5: Solve for x
x = 883,330,464,957,555,840/1,248,449,824.80 - Step 6: Final answer
x = 707,541,823.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.