Home / 347,640,672,980.60-521,520,417,783.16-143,322,168,790.12

Finding the Fourth Proportional to 347,640,672,980.60, 521,520,417,783.16 and 143,322,168,790.12

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Solution

The fourth proportional to 347,640,672,980.60, 521,520,417,783.16 and 143,322,168,790.12 is: 215,007,745,509.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,640,672,980.60 : 521,520,417,783.16 = 143,322,168,790.12 : x
  2. Step 2: Convert to fraction form
    347,640,672,980.60/521,520,417,783.16 = 143,322,168,790.12/x
  3. Step 3: Cross multiply
    347,640,672,980.60x = 521,520,417,783.16 × 143,322,168,790.12
  4. Step 4: Simplify right side
    347,640,672,980.60x = 74,745,437,345,011,952,779,264
  5. Step 5: Solve for x
    x = 74,745,437,345,011,952,779,264/347,640,672,980.60
  6. Step 6: Final answer
    x = 215,007,745,509.64

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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.