Finding the Fourth Proportional to 871,290,398.03, 1,202,345,763.75 and 474,804,937.08
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Solution
The fourth proportional to 871,290,398.03, 1,202,345,763.75 and 474,804,937.08 is: 655,211,748.00
Step by Step Solution
- Step 1: Write the proportion equation
871,290,398.03 : 1,202,345,763.75 = 474,804,937.08 : x - Step 2: Convert to fraction form
871,290,398.03/1,202,345,763.75 = 474,804,937.08/x - Step 3: Cross multiply
871,290,398.03x = 1,202,345,763.75 × 474,804,937.08 - Step 4: Simplify right side
871,290,398.03x = 570,879,704,705,723,264 - Step 5: Solve for x
x = 570,879,704,705,723,264/871,290,398.03 - Step 6: Final answer
x = 655,211,748.00
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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.