Home / 765,256,212.72-1,056,050,983.78-430,728,541.36

Finding the Fourth Proportional to 765,256,212.72, 1,056,050,983.78 and 430,728,541.36

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Solution

The fourth proportional to 765,256,212.72, 1,056,050,983.78 and 430,728,541.36 is: 594,403,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,256,212.72 : 1,056,050,983.78 = 430,728,541.36 : x
  2. Step 2: Convert to fraction form
    765,256,212.72/1,056,050,983.78 = 430,728,541.36/x
  3. Step 3: Cross multiply
    765,256,212.72x = 1,056,050,983.78 × 430,728,541.36
  4. Step 4: Simplify right side
    765,256,212.72x = 454,871,299,841,635,520
  5. Step 5: Solve for x
    x = 454,871,299,841,635,520/765,256,212.72
  6. Step 6: Final answer
    x = 594,403,929.40

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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.