Home / 670,804,962.40-925,732,914.78-369,422,409.34

Finding the Fourth Proportional to 670,804,962.40, 925,732,914.78 and 369,422,409.34

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Solution

The fourth proportional to 670,804,962.40, 925,732,914.78 and 369,422,409.34 is: 509,815,077.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,804,962.40 : 925,732,914.78 = 369,422,409.34 : x
  2. Step 2: Convert to fraction form
    670,804,962.40/925,732,914.78 = 369,422,409.34/x
  3. Step 3: Cross multiply
    670,804,962.40x = 925,732,914.78 × 369,422,409.34
  4. Step 4: Simplify right side
    670,804,962.40x = 341,986,483,783,368,448
  5. Step 5: Solve for x
    x = 341,986,483,783,368,448/670,804,962.40
  6. Step 6: Final answer
    x = 509,815,077.34

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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.