Finding the Fourth Proportional to 1,959,562,203.23, 2,939,768,931.29 and 715,990,669.20
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Solution
The fourth proportional to 1,959,562,203.23, 2,939,768,931.29 and 715,990,669.20 is: 1,074,141,520.45
Step by Step Solution
- Step 1: Write the proportion equation
1,959,562,203.23 : 2,939,768,931.29 = 715,990,669.20 : x - Step 2: Convert to fraction form
1,959,562,203.23/2,939,768,931.29 = 715,990,669.20/x - Step 3: Cross multiply
1,959,562,203.23x = 2,939,768,931.29 × 715,990,669.20 - Step 4: Simplify right side
1,959,562,203.23x = 2,104,847,124,404,115,968 - Step 5: Solve for x
x = 2,104,847,124,404,115,968/1,959,562,203.23 - Step 6: Final answer
x = 1,074,141,520.45
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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.