Home / 550,203,123.76-760,369,711.79-450,927,287.75

Finding the Fourth Proportional to 550,203,123.76, 760,369,711.79 and 450,927,287.75

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Solution

The fourth proportional to 550,203,123.76, 760,369,711.79 and 450,927,287.75 is: 623,172,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,203,123.76 : 760,369,711.79 = 450,927,287.75 : x
  2. Step 2: Convert to fraction form
    550,203,123.76/760,369,711.79 = 450,927,287.75/x
  3. Step 3: Cross multiply
    550,203,123.76x = 760,369,711.79 × 450,927,287.75
  4. Step 4: Simplify right side
    550,203,123.76x = 342,871,451,827,735,936
  5. Step 5: Solve for x
    x = 342,871,451,827,735,936/550,203,123.76
  6. Step 6: Final answer
    x = 623,172,492.16

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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.