Home / 291,255,653.90-436,883,480.85-176,967,116.30

Finding the Fourth Proportional to 291,255,653.90, 436,883,480.85 and 176,967,116.30

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Solution

The fourth proportional to 291,255,653.90, 436,883,480.85 and 176,967,116.30 is: 265,450,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,255,653.90 : 436,883,480.85 = 176,967,116.30 : x
  2. Step 2: Convert to fraction form
    291,255,653.90/436,883,480.85 = 176,967,116.30/x
  3. Step 3: Cross multiply
    291,255,653.90x = 436,883,480.85 × 176,967,116.30
  4. Step 4: Simplify right side
    291,255,653.90x = 77,314,009,765,130,784
  5. Step 5: Solve for x
    x = 77,314,009,765,130,784/291,255,653.90
  6. Step 6: Final answer
    x = 265,450,674.45

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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.