Home / 756,717,295.51-1,044,269,405.91-409,036,783.51

Finding the Fourth Proportional to 756,717,295.51, 1,044,269,405.91 and 409,036,783.51

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Solution

The fourth proportional to 756,717,295.51, 1,044,269,405.91 and 409,036,783.51 is: 564,470,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,717,295.51 : 1,044,269,405.91 = 409,036,783.51 : x
  2. Step 2: Convert to fraction form
    756,717,295.51/1,044,269,405.91 = 409,036,783.51/x
  3. Step 3: Cross multiply
    756,717,295.51x = 1,044,269,405.91 × 409,036,783.51
  4. Step 4: Simplify right side
    756,717,295.51x = 427,144,598,904,058,432
  5. Step 5: Solve for x
    x = 427,144,598,904,058,432/756,717,295.51
  6. Step 6: Final answer
    x = 564,470,511.57

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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.