Finding the Fourth Proportional to 1,070,102,698.04, 1,604,628,898.38 and 439,720,557.08
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Solution
The fourth proportional to 1,070,102,698.04, 1,604,628,898.38 and 439,720,557.08 is: 659,365,044.49
Step by Step Solution
- Step 1: Write the proportion equation
1,070,102,698.04 : 1,604,628,898.38 = 439,720,557.08 : x - Step 2: Convert to fraction form
1,070,102,698.04/1,604,628,898.38 = 439,720,557.08/x - Step 3: Cross multiply
1,070,102,698.04x = 1,604,628,898.38 × 439,720,557.08 - Step 4: Simplify right side
1,070,102,698.04x = 705,588,313,102,320,384 - Step 5: Solve for x
x = 705,588,313,102,320,384/1,070,102,698.04 - Step 6: Final answer
x = 659,365,044.49
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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.