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Finding the Fourth Proportional to 824,636,628.28, 1,136,930,411 and 534,107,800.84

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Solution

The fourth proportional to 824,636,628.28, 1,136,930,411 and 534,107,800.84 is: 736,376,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,636,628.28 : 1,136,930,411 = 534,107,800.84 : x
  2. Step 2: Convert to fraction form
    824,636,628.28/1,136,930,411 = 534,107,800.84/x
  3. Step 3: Cross multiply
    824,636,628.28x = 1,136,930,411 × 534,107,800.84
  4. Step 4: Simplify right side
    824,636,628.28x = 607,243,401,527,327,360
  5. Step 5: Solve for x
    x = 607,243,401,527,327,360/824,636,628.28
  6. Step 6: Final answer
    x = 736,376,945.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.