Home / 903,808,142.16-1,356,235,258.28-379,130,255.58

Finding the Fourth Proportional to 903,808,142.16, 1,356,235,258.28 and 379,130,255.58

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Solution

The fourth proportional to 903,808,142.16, 1,356,235,258.28 and 379,130,255.58 is: 568,914,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,808,142.16 : 1,356,235,258.28 = 379,130,255.58 : x
  2. Step 2: Convert to fraction form
    903,808,142.16/1,356,235,258.28 = 379,130,255.58/x
  3. Step 3: Cross multiply
    903,808,142.16x = 1,356,235,258.28 × 379,130,255.58
  4. Step 4: Simplify right side
    903,808,142.16x = 514,189,820,098,303,680
  5. Step 5: Solve for x
    x = 514,189,820,098,303,680/903,808,142.16
  6. Step 6: Final answer
    x = 568,914,790.78

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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.