Home / 959,421,772.21-1,324,002,489.29-519,388,624.69

Finding the Fourth Proportional to 959,421,772.21, 1,324,002,489.29 and 519,388,624.69

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Solution

The fourth proportional to 959,421,772.21, 1,324,002,489.29 and 519,388,624.69 is: 716,756,542.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,421,772.21 : 1,324,002,489.29 = 519,388,624.69 : x
  2. Step 2: Convert to fraction form
    959,421,772.21/1,324,002,489.29 = 519,388,624.69/x
  3. Step 3: Cross multiply
    959,421,772.21x = 1,324,002,489.29 × 519,388,624.69
  4. Step 4: Simplify right side
    959,421,772.21x = 687,671,831,995,872,640
  5. Step 5: Solve for x
    x = 687,671,831,995,872,640/959,421,772.21
  6. Step 6: Final answer
    x = 716,756,542.24

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Double scale
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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.