Finding the Fourth Proportional to 2,768,928,718.95, 4,153,403,727.99 and 670,401,630.72
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Solution
The fourth proportional to 2,768,928,718.95, 4,153,403,727.99 and 670,401,630.72 is: 1,005,605,024.51
Step by Step Solution
- Step 1: Write the proportion equation
2,768,928,718.95 : 4,153,403,727.99 = 670,401,630.72 : x - Step 2: Convert to fraction form
2,768,928,718.95/4,153,403,727.99 = 670,401,630.72/x - Step 3: Cross multiply
2,768,928,718.95x = 4,153,403,727.99 × 670,401,630.72 - Step 4: Simplify right side
2,768,928,718.95x = 2,784,448,632,283,023,360 - Step 5: Solve for x
x = 2,784,448,632,283,023,360/2,768,928,718.95 - Step 6: Final answer
x = 1,005,605,024.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.