Home / 841,187,878.88-1,160,836,418.81-464,833,959.80

Finding the Fourth Proportional to 841,187,878.88, 1,160,836,418.81 and 464,833,959.80

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Solution

The fourth proportional to 841,187,878.88, 1,160,836,418.81 and 464,833,959.80 is: 641,469,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,187,878.88 : 1,160,836,418.81 = 464,833,959.80 : x
  2. Step 2: Convert to fraction form
    841,187,878.88/1,160,836,418.81 = 464,833,959.80/x
  3. Step 3: Cross multiply
    841,187,878.88x = 1,160,836,418.81 × 464,833,959.80
  4. Step 4: Simplify right side
    841,187,878.88x = 539,596,189,230,861,440
  5. Step 5: Solve for x
    x = 539,596,189,230,861,440/841,187,878.88
  6. Step 6: Final answer
    x = 641,469,287.40

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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.