Home / 1,057,321,425.78-1,459,018,024.74-611,313,404.72

Finding the Fourth Proportional to 1,057,321,425.78, 1,459,018,024.74 and 611,313,404.72

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Solution

The fourth proportional to 1,057,321,425.78, 1,459,018,024.74 and 611,313,404.72 is: 843,563,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,321,425.78 : 1,459,018,024.74 = 611,313,404.72 : x
  2. Step 2: Convert to fraction form
    1,057,321,425.78/1,459,018,024.74 = 611,313,404.72/x
  3. Step 3: Cross multiply
    1,057,321,425.78x = 1,459,018,024.74 × 611,313,404.72
  4. Step 4: Simplify right side
    1,057,321,425.78x = 891,917,276,244,363,520
  5. Step 5: Solve for x
    x = 891,917,276,244,363,520/1,057,321,425.78
  6. Step 6: Final answer
    x = 843,563,040.05

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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.