Home / 855,463,284.16-1,180,507,720.80-464,314,310.08

Finding the Fourth Proportional to 855,463,284.16, 1,180,507,720.80 and 464,314,310.08

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Solution

The fourth proportional to 855,463,284.16, 1,180,507,720.80 and 464,314,310.08 is: 640,736,590.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,463,284.16 : 1,180,507,720.80 = 464,314,310.08 : x
  2. Step 2: Convert to fraction form
    855,463,284.16/1,180,507,720.80 = 464,314,310.08/x
  3. Step 3: Cross multiply
    855,463,284.16x = 1,180,507,720.80 × 464,314,310.08
  4. Step 4: Simplify right side
    855,463,284.16x = 548,126,627,927,365,248
  5. Step 5: Solve for x
    x = 548,126,627,927,365,248/855,463,284.16
  6. Step 6: Final answer
    x = 640,736,590.43

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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.