Finding the Fourth Proportional to 876,244,319,075.04, 1,209,216,243,226.40 and 490,871,377,624.71
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Solution
The fourth proportional to 876,244,319,075.04, 1,209,216,243,226.40 and 490,871,377,624.71 is: 677,401,987,365.00
Step by Step Solution
- Step 1: Write the proportion equation
876,244,319,075.04 : 1,209,216,243,226.40 = 490,871,377,624.71 : x - Step 2: Convert to fraction form
876,244,319,075.04/1,209,216,243,226.40 = 490,871,377,624.71/x - Step 3: Cross multiply
876,244,319,075.04x = 1,209,216,243,226.40 × 490,871,377,624.71 - Step 4: Simplify right side
876,244,319,075.04x = 593,569,643,158,719,367,741,440 - Step 5: Solve for x
x = 593,569,643,158,719,367,741,440/876,244,319,075.04 - Step 6: Final answer
x = 677,401,987,365.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.