Home / 855,463,285.16-1,180,507,722.18-464,314,311.08

Finding the Fourth Proportional to 855,463,285.16, 1,180,507,722.18 and 464,314,311.08

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Solution

The fourth proportional to 855,463,285.16, 1,180,507,722.18 and 464,314,311.08 is: 640,736,591.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,463,285.16 : 1,180,507,722.18 = 464,314,311.08 : x
  2. Step 2: Convert to fraction form
    855,463,285.16/1,180,507,722.18 = 464,314,311.08/x
  3. Step 3: Cross multiply
    855,463,285.16x = 1,180,507,722.18 × 464,314,311.08
  4. Step 4: Simplify right side
    855,463,285.16x = 548,126,629,748,626,752
  5. Step 5: Solve for x
    x = 548,126,629,748,626,752/855,463,285.16
  6. Step 6: Final answer
    x = 640,736,591.81

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1.5x scale

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.