Home / 320,111,999.60-480,167,999.40-316,710,777.20

Finding the Fourth Proportional to 320,111,999.60, 480,167,999.40 and 316,710,777.20

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Solution

The fourth proportional to 320,111,999.60, 480,167,999.40 and 316,710,777.20 is: 475,066,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,111,999.60 : 480,167,999.40 = 316,710,777.20 : x
  2. Step 2: Convert to fraction form
    320,111,999.60/480,167,999.40 = 316,710,777.20/x
  3. Step 3: Cross multiply
    320,111,999.60x = 480,167,999.40 × 316,710,777.20
  4. Step 4: Simplify right side
    320,111,999.60x = 152,074,380,276,543,136
  5. Step 5: Solve for x
    x = 152,074,380,276,543,136/320,111,999.60
  6. Step 6: Final answer
    x = 475,066,165.80

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1.5x scale

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.