Finding the Fourth Proportional to 1,286,688,529.04, 1,929,713,928.87 and 366,572,839.28
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Solution
The fourth proportional to 1,286,688,529.04, 1,929,713,928.87 and 366,572,839.28 is: 549,768,415.54
Step by Step Solution
- Step 1: Write the proportion equation
1,286,688,529.04 : 1,929,713,928.87 = 366,572,839.28 : x - Step 2: Convert to fraction form
1,286,688,529.04/1,929,713,928.87 = 366,572,839.28/x - Step 3: Cross multiply
1,286,688,529.04x = 1,929,713,928.87 × 366,572,839.28 - Step 4: Simplify right side
1,286,688,529.04x = 707,380,713,904,039,808 - Step 5: Solve for x
x = 707,380,713,904,039,808/1,286,688,529.04 - Step 6: Final answer
x = 549,768,415.54
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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.