Home / 821,382,827.16-1,133,563,914.80-464,026,661.56

Finding the Fourth Proportional to 821,382,827.16, 1,133,563,914.80 and 464,026,661.56

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Solution

The fourth proportional to 821,382,827.16, 1,133,563,914.80 and 464,026,661.56 is: 640,388,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,382,827.16 : 1,133,563,914.80 = 464,026,661.56 : x
  2. Step 2: Convert to fraction form
    821,382,827.16/1,133,563,914.80 = 464,026,661.56/x
  3. Step 3: Cross multiply
    821,382,827.16x = 1,133,563,914.80 × 464,026,661.56
  4. Step 4: Simplify right side
    821,382,827.16x = 526,003,879,049,528,256
  5. Step 5: Solve for x
    x = 526,003,879,049,528,256/821,382,827.16
  6. Step 6: Final answer
    x = 640,388,210.78

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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.