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Finding the Fourth Proportional to 827,144,700.90, 1,240,717,051.35 and 736,746,586.80

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Solution

The fourth proportional to 827,144,700.90, 1,240,717,051.35 and 736,746,586.80 is: 1,105,119,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,144,700.90 : 1,240,717,051.35 = 736,746,586.80 : x
  2. Step 2: Convert to fraction form
    827,144,700.90/1,240,717,051.35 = 736,746,586.80/x
  3. Step 3: Cross multiply
    827,144,700.90x = 1,240,717,051.35 × 736,746,586.80
  4. Step 4: Simplify right side
    827,144,700.90x = 914,094,052,766,672,640
  5. Step 5: Solve for x
    x = 914,094,052,766,672,640/827,144,700.90
  6. Step 6: Final answer
    x = 1,105,119,880.20

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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.