Home / 979,776,002.70-1,469,664,004.05-397,789,058.70

Finding the Fourth Proportional to 979,776,002.70, 1,469,664,004.05 and 397,789,058.70

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Solution

The fourth proportional to 979,776,002.70, 1,469,664,004.05 and 397,789,058.70 is: 596,683,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,776,002.70 : 1,469,664,004.05 = 397,789,058.70 : x
  2. Step 2: Convert to fraction form
    979,776,002.70/1,469,664,004.05 = 397,789,058.70/x
  3. Step 3: Cross multiply
    979,776,002.70x = 1,469,664,004.05 × 397,789,058.70
  4. Step 4: Simplify right side
    979,776,002.70x = 584,616,260,776,322,432
  5. Step 5: Solve for x
    x = 584,616,260,776,322,432/979,776,002.70
  6. Step 6: Final answer
    x = 596,683,588.05

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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.