Home / 992,736,810.40-1,489,105,215.60-265,725,522.40

Finding the Fourth Proportional to 992,736,810.40, 1,489,105,215.60 and 265,725,522.40

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Solution

The fourth proportional to 992,736,810.40, 1,489,105,215.60 and 265,725,522.40 is: 398,588,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,736,810.40 : 1,489,105,215.60 = 265,725,522.40 : x
  2. Step 2: Convert to fraction form
    992,736,810.40/1,489,105,215.60 = 265,725,522.40/x
  3. Step 3: Cross multiply
    992,736,810.40x = 1,489,105,215.60 × 265,725,522.40
  4. Step 4: Simplify right side
    992,736,810.40x = 395,693,261,323,874,624
  5. Step 5: Solve for x
    x = 395,693,261,323,874,624/992,736,810.40
  6. Step 6: Final answer
    x = 398,588,283.60

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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.