Home / 1,442,628,257.40-2,164,032,151.38-522,512,567.48

Finding the Fourth Proportional to 1,442,628,257.40, 2,164,032,151.38 and 522,512,567.48

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Solution

The fourth proportional to 1,442,628,257.40, 2,164,032,151.38 and 522,512,567.48 is: 783,801,363.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,442,628,257.40 : 2,164,032,151.38 = 522,512,567.48 : x
  2. Step 2: Convert to fraction form
    1,442,628,257.40/2,164,032,151.38 = 522,512,567.48/x
  3. Step 3: Cross multiply
    1,442,628,257.40x = 2,164,032,151.38 × 522,512,567.48
  4. Step 4: Simplify right side
    1,442,628,257.40x = 1,130,733,995,526,831,872
  5. Step 5: Solve for x
    x = 1,130,733,995,526,831,872/1,442,628,257.40
  6. Step 6: Final answer
    x = 783,801,363.74

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Double scale
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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.