Home / 463,940,127-640,220,986.98-255,094,807.32

Finding the Fourth Proportional to 463,940,127, 640,220,986.98 and 255,094,807.32

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Solution

The fourth proportional to 463,940,127, 640,220,986.98 and 255,094,807.32 is: 352,021,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,940,127 : 640,220,986.98 = 255,094,807.32 : x
  2. Step 2: Convert to fraction form
    463,940,127/640,220,986.98 = 255,094,807.32/x
  3. Step 3: Cross multiply
    463,940,127x = 640,220,986.98 × 255,094,807.32
  4. Step 4: Simplify right side
    463,940,127x = 163,317,049,315,883,328
  5. Step 5: Solve for x
    x = 163,317,049,315,883,328/463,940,127
  6. Step 6: Final answer
    x = 352,021,823.10

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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.