Home / 923,774,255.06-1,274,797,848.36-500,379,934.28

Finding the Fourth Proportional to 923,774,255.06, 1,274,797,848.36 and 500,379,934.28

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Solution

The fourth proportional to 923,774,255.06, 1,274,797,848.36 and 500,379,934.28 is: 690,518,554.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,774,255.06 : 1,274,797,848.36 = 500,379,934.28 : x
  2. Step 2: Convert to fraction form
    923,774,255.06/1,274,797,848.36 = 500,379,934.28/x
  3. Step 3: Cross multiply
    923,774,255.06x = 1,274,797,848.36 × 500,379,934.28
  4. Step 4: Simplify right side
    923,774,255.06x = 637,883,263,582,662,144
  5. Step 5: Solve for x
    x = 637,883,263,582,662,144/923,774,255.06
  6. Step 6: Final answer
    x = 690,518,554.82

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1.5x scale

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.