Finding the Fourth Proportional to 617,763,373.30, 852,566,032.85 and 349,886,858.99
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Solution
The fourth proportional to 617,763,373.30, 852,566,032.85 and 349,886,858.99 is: 482,873,644.19
Step by Step Solution
- Step 1: Write the proportion equation
617,763,373.30 : 852,566,032.85 = 349,886,858.99 : x - Step 2: Convert to fraction form
617,763,373.30/852,566,032.85 = 349,886,858.99/x - Step 3: Cross multiply
617,763,373.30x = 852,566,032.85 × 349,886,858.99 - Step 4: Simplify right side
617,763,373.30x = 298,301,651,313,702,272 - Step 5: Solve for x
x = 298,301,651,313,702,272/617,763,373.30 - Step 6: Final answer
x = 482,873,644.19
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.