Home / 756,717,298.38-1,044,269,409.87-409,036,786.38

Finding the Fourth Proportional to 756,717,298.38, 1,044,269,409.87 and 409,036,786.38

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Solution

The fourth proportional to 756,717,298.38, 1,044,269,409.87 and 409,036,786.38 is: 564,470,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,717,298.38 : 1,044,269,409.87 = 409,036,786.38 : x
  2. Step 2: Convert to fraction form
    756,717,298.38/1,044,269,409.87 = 409,036,786.38/x
  3. Step 3: Cross multiply
    756,717,298.38x = 1,044,269,409.87 × 409,036,786.38
  4. Step 4: Simplify right side
    756,717,298.38x = 427,144,603,528,163,840
  5. Step 5: Solve for x
    x = 427,144,603,528,163,840/756,717,298.38
  6. Step 6: Final answer
    x = 564,470,515.53

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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.