Home / 535,891,010.40-803,836,515.60-513,216,194.40

Finding the Fourth Proportional to 535,891,010.40, 803,836,515.60 and 513,216,194.40

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Solution

The fourth proportional to 535,891,010.40, 803,836,515.60 and 513,216,194.40 is: 769,824,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,891,010.40 : 803,836,515.60 = 513,216,194.40 : x
  2. Step 2: Convert to fraction form
    535,891,010.40/803,836,515.60 = 513,216,194.40/x
  3. Step 3: Cross multiply
    535,891,010.40x = 803,836,515.60 × 513,216,194.40
  4. Step 4: Simplify right side
    535,891,010.40x = 412,541,917,455,988,224
  5. Step 5: Solve for x
    x = 412,541,917,455,988,224/535,891,010.40
  6. Step 6: Final answer
    x = 769,824,291.60

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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.